Preventive engine cleaning enables you to restore engine parts rather than replacing them, thereby saving vehicle owners on costly parts, such as a new turbocharger ($ 1. Subaru OBD-II Questions. Car runs smoothly and gas mileage was great even with the light on. the "AT OIL TEMP" light in the dash began blinking. Warning and indicator lights. the check engine light has been turning on and off for literally a few yrs now and nothing has gone wrong. Have anyone experienced similar thing???. Reduce speed and load. The problem was, I would get a flashing check engine light while pulling steep grades, & the engine would lose some power & run a little rough. Turned car off for about 60 seconds, then started and moved car to parking lot. There can be other situations that can cause the check engine light to blink as well. Feels like driving over reflector bumps in middle of the road. It was also accelerating funny-kind of jerky. When my XV was at 35k, engine overheated and one of the cylinder head popped. 97 lesabre Check engine light on LeSabre Car Forums. Our 2001 Mazda 626 has about 158,000 miles last night my wife was driving it and about 3 miles from home, the check engine light started flashing and the car was running rough. This unofficial independent, unauthorized Subaru research website by Joe Spitz is designed to help you learn about Subarus. Last week I decided to fire it up and take it for a ride. What Is Subaru Eyesight In Select Goldstein Subarus -> Credit to : www. Learn what does P0171 Subaru System Too Lean Bank 1 means, location and how to repair? How to Reset the Check Engine Light;. If the check engine light is still on after three days, your problem may not have been fixed or you may need to try some of the methods below to reset it. Average repair cost is $2,100 at 114,350 miles. Car Warning Lights with description and advice how to deal with the problem. Some codes may call for further diagnosis. The vehicles check engine light came on and the car went into "limp" mode while driving, in conjunction with the check engine light my vehicle has been experiencing very poor gas milage for the last month. Officially known as a malfunction indicator lamp, the check engine light can go on for a number of different. My 98 Jetta 1. When you start your vehicle, the check engine light comes on momentarily to test the engine/emission control system and bulb. You have the potential for the cat to go boom. Subaru Check Engine Light Codes. To do so would be illegal. I was driving and noticed that the Overdrive light was flashing. What should I do? Its Thanksgiving holiday in Canada and Subaru is closed till Tuesday. Check Engine light + Cruise light flashing? IGOTASUBARU is an online forum and community for all Subaru enthusiasts. I have Subaru outback 2. Have cleared codes, but returned - Answered by a verified Subaru Mechanic. When the check engine light comes on, it could be. I replaced the spark plugs in 2013 the wires in 2014. It has a condition that can damage the cat converter or engine. It’s flashing to let you know that if you keep driving the vehicle, you are going to ruin the catalytic converter and/or damage the engine in a meaningful way. When the check engine light (CEL) appears on the dashboard of the Ford F-150, the truck is essentially communicating that there's an issue somewhere. Getting the obd1 codes need a couple of tools: a 4 inch long gage 16 jumper wire and a 12 volt test light. Recently my wife was complaning that her care (2000 Seville) was stumbling on idle and acceleration. I was driving and noticed that the Overdrive light was flashing. So i just picked up my brand new Ascent Touring last night from dealer and this morning on my way to work, the check engine light and RVP (eye sight) light came on. How to diagnose and repair a blinking check engine light on a 2002 Subaru Outback I will also show you how to replace the valve cover gaskets Due to factors beyond the control of jimthecarguy, it. I have a 97 Subaru Outback. Toyota Camry 1997-2001: How to Reset Check Engine Light. This could be a serious malfunction where coolant is no longer circulating the engine (faulty coolant pump) or it could be an electrical wiring (check connections) or sensor fault (temperature sensor or level sensor) causing the coolant. Hi all, seeking advice. 9 l AUH has been experiencing a flashing "Glow Plug" and steady "Check Engine" light for a few months after basically sitting for 6 weeks awaiting new. The automatic transmission fluid is running hot, apparently. Why is this car getting so much issues. Complete help with wiring questions, component tests, connector locations. Check engine light came on took car to Auto Zone they said #1 cylinder miss-firing now all of a sudden light is flashing. I have changed a speed sensor but it still read the speed sensor code I have changed the alternator and the battery. Had a scan done at a local repair shop. A flashing chek engine light is very bad, and the car shouldnt be driven untill the cause of it is discovered. Corvette: Why is My Check Engine Light On? Before you start guessing what might be wrong (if anything actually is wrong), check out our DIY guide on how to diagnose and fix a check engine light in your Corvette. Oil temp light, engine check, and cruise control flashing light come and go simultaneously. I drove the car about a mile this morning to make sure everything was on the up and up. 100), catalytic converter ($ 600 - 2. The guy at autozone told me this means the 3rd cylinder misfired when I drove on highway. 2003 Chevrolet Tahoe P0135 O2 Sensor Code - I replaced all the sensors but the P0135 code is still there. Try our anecdotes and if it doesn't work, we'd be happy to diagnose the light for you. the check engine light glowed steady and the cruise light was flashing. Google 'free check engine light scan' + ' your town' to find a shop that will scan your car for free. I went ahead and drove to work because the lights weren't flashing (the service guy told me as long as the check engine light isn't flashing it's safe to drive), I checked the gas cap for tightness, and otherwise will be bringing my car in to the dealer. Turn the ignition switch ON, but do not start the engine. A flashing check engine is meant to warn you of catalyst damaging misfire occurring and this is the only reason for a flashing check engine light. Check Engine Light. Nick Salmon on Subaru Forester Blinking Check Engine Light Rapidly Just got my car from the shop everything was fine. I took it to nearest Subaru Service and it had been one whole day and they had no idea what is wrong with it. The fix would then be something severe and extremely costly like a catalytic converter(s) or engine replacement which cost on average $1,150 and upwards of $5,000 respectively to fix. Check Engine light + Cruise light flashing? IGOTASUBARU is an online forum and community for all Subaru enthusiasts. If the check engine light is blinking or you notice any serious performance problems, such as a loss of power, reduce your speed and try to reduce the load on the engine. ever since my check engine light has been on. Battery was dead (first time I've had that problem), charged it and took off. Actually it happened right after I parked the car. The check engine light can be nerve-racking. com 2017 check engine traction cruise and brake lights on page 2 check engine light on and flashing cruise too page 9 subaru forester questions check engine light is on cruise control 2017 subaru wrx check engine light with flashing cruise control. Either way, the check engine light indicates that your Camry has experience some sort of a problem. If you have a code left in the deep memory it can reapear like that. So I have an appointment tomorrow at the dealer. When the check engine light (CEL) appears on the dashboard of the Ford F-150, the truck is essentially communicating that there's an issue somewhere. 5i engine, and I am currently experiencing the exact symptoms you described here: ABS + traction control lights coming on periodically on longer trips, and now the AT Oil Temp light and check engine light came on today (DTC P0700). In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. think it would be safe to drive to a shop ?. P0420 means catalytic efficiency below threshold. It is not that uncommon for the "check engine" light to serve as notice that a part needs attention. Recently my check engine light came on and now my light starts flashing on and off repeatedly. I am having the same symptoms with my car 92 coupe. although I have never experienced that code before. Go to parts store and get a code reader and research online. My drive home is hilly, it was an 80 degree day, and I was. I had the flashing check engine light at 58,000 miles. Instead, I went through the entire OBD II code list and picked out codes I've seen set in the real auto repair world. 2 4 cylinder and it has about 95K on it. And the car become rough to drive. Officially known as a malfunction indicator lamp, the check engine light can go on for a number of different. the "AT OIL TEMP" light in the dash began blinking. We do offer a fault code reader and reset tool that you can use to check the codes. I have a 97 cadillac sts. Just spoke to the owner. I have a 2008 Subaru Outback Wagon 2. He advised there is a known fault with one of the 02 sensors, that he hasn't got round to having fixed yet. Let car sit for a moment, started again but check engine light on and cruise light flashing. 97 lesabre Check engine light on LeSabre Car Forums. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. I had a diagnosis of bad O2 sensor which was replaced. Last week I decided to fire it up and take it for a ride. The check engine light came on and would flash some times. A certified mechanic should be able to diagnose the problem easily. Hey I have a 2000 prerunner v6. The system is designed to function in a "limp home" mode when trouble occurs and the light comes on - and stays on. Complete help with wiring questions, component tests, connector locations. com 2017 check engine traction cruise and brake lights on page 2 check engine light on and flashing cruise too page 9 subaru forester questions check engine light is on cruise control 2017 subaru wrx check engine light with flashing cruise control. Don't fret the check engine light, it might not be something serious. So, FWIW, don't stress too much about the cruise and x-mode. 2008 Hyundai Sonata P0011 Check Engine Code - The oil has been replaced but the P0011 code returned. I drove the car last night with the same results and the check engine light was flashing as I was driving. Looking for any suggestions for next steps. If the check engine light is still on after three days, your problem may not have been fixed or you may need to try some of the methods below to reset it. When it shakes the check engine light will flash rapidly then stop. If it is flashing, this is an immediate concern, which means that you should immediately pull over and deal with the problem. Turn the ignition switch ON, but do not start the engine. It's exactly the same thing as just the check engine light coming on with an older car. The flashing check engine light means there is a serious misfire occuring and possible engine damage. The 1997 Subaru Outback has 3 problems reported for engine light came on. The problem was, I would get a flashing check engine light while pulling steep grades, & the engine would lose some power & run a little rough. I took it to nearest Subaru Service and it had been one whole day and they had no idea what is wrong with it. The most recently reported issues are listed below. When the check engine light (CEL) appears on the dashboard of the Ford F-150, the truck is essentially communicating that there's an issue somewhere. I have a 2006 chevy malibu LT with the 2. Mine is a 99 4Runner SR5 3. To see how frequently 2014 Subaru XV Crosstrek problems occur, check out our car reliability stats. If it's shaking, it's likely that the sparks are not happening or happening at the wrong time or intermittently. The transmission was operating perfectly and if the OD light was not flashing, I would have no idea that I had a problem. (I am not sure). The check engine light can be a bane or boon when it comes to owning a car, especially considering hundreds of things could trigger it. No matter what you're driving, we have the right Amber Led Flashing Lights for your automobile. With engine OFF, short "TEN" to "GND" terminals in the diagnostic plug (located on LH engine bay wheel well near battery). How to Reset a Check Engine Light. The codes that show are P0325 and P1500. Have your vehicle checked at a SUBARU dealer as soon as possible. When I put it into drive and pulled off I felt a abrupt jerk then the check engine light began to flash with the warning beeps. The issue is not what the problem is, but that you get it checked or check it yourself asap. In order to know what the fault is, we must use a code reader tool to check the stored fault(s). 97 lesabre Check engine light on LeSabre Car Forums. Higher mileage M2's ('99 and newer) may experience a check engine light due to 'excessive EGR flow'. This unofficial independent, unauthorized Subaru research website by Joe Spitz is designed to help you learn about Subarus. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. I have a 2003 Ford F-250 and the CHECK GAGE light keeps coming on after the engine gets hot. If the check engine light is still on after three days, your problem may not have been fixed or you may need to try some of the methods below to reset it. Preventive engine cleaning enables you to restore engine parts rather than replacing them, thereby saving vehicle owners on costly parts, such as a new turbocharger ($ 1. Disconnected my battery for a while and the car runs fine now, but the AT oil temp light will still flash after driving away from a stop. drove it down the road and at 51 the d starts flashing and the check engine light comes on. I have a 2000 Subaru Outback. If you notice a blinking check engine light, you do not need to stop in the middle of the bridge and call a tow truck (like you would with an oil light), but you do need to stop driving as soon as practical. However, the "check engine" light can also be triggered by a number of minor issues. 2003 Subaru Outback check engine light stays on You may have to take it to a shop and have them connect their OBD tool to the computer and clear the deep memory. You most likily do need new plug & wire set, a fuel filter would be a good. It shows P303. This unofficial independent, unauthorized Subaru research website by Joe Spitz is designed to help you learn about Subarus. Check Engine Light. " In some vehicles, a red check-engine light means the car needs absolute immediate attention while a yellow check-engine light means you need to make an appointment soon. I had a similar problem about a month or so ago - check engine light came on and the car was running rough. This indication is a somewhat common occurrence with many vehicles and more commonly than not, it is not a serious problem. Subaru Toyota Volkswagen : Jim Grant's Tech Tips ‘97 Mazda Protégé lx, Check Engine Light & Blinking Overdrive Light. Most onboard computers will recheck whatever problem caused the check engine light to activate multiple times. If the check engine light is blinking with the engine running , a spark plug misfire has been detected - get it scanned for trouble codes in order to diagnose and then repair the problem as soon. The most common Subaru check engine light is the old "forgot to tighten the gas cap" signal. Why is this car getting so much issues. 8 months ago the engine light came on and said it was the knock sensor that needed replacing. The system is designed to function in a "limp home" mode when trouble occurs and the light comes on - and stays on. When the check engine light (CEL) appears on the dashboard of the Ford F-150, the truck is essentially communicating that there's an issue somewhere. driving to work this morning and got about half way (10 miles) and my check engine light started flashing and the truck started chugging. The Subaru's computer, called an ECU, generates fault codes that pertain to various sensors on the vehicle. Had a scan done at a local repair shop. Try changing the fuel filter and see what happens, I've seen a plugged filter make the light blink. There will be two sets of blinking. The problem is, as I’m going alongusually the first thing in the morning, my engine light comes on, then my overdrivelight blinks and the transmission shifts down “hard. Our 2001 Mazda 626 has about 158,000 miles last night my wife was driving it and about 3 miles from home, the check engine light started flashing and the car was running rough. Learn what does P0171 Subaru System Too Lean Bank 1 means, location and how to repair? How to Reset the Check Engine Light;. If the check engine light is still on after three days, your problem may not have been fixed or you may need to try some of the methods below to reset it. This unofficial independent, unauthorized Subaru research website by Joe Spitz is designed to help you learn about Subarus. Regardless, it’s easy to find out what the issue is, and taking care of it quickly can save you money, and prevent further damage down to the road. Ignorance is not Bliss. It was low and added what was needed for a good reading. These diagnostic scanners are a must for all car owners. The problem was a faulty stoplight switch. The check engine light also just came on last night. It was time for my 100,000 maintenance. The flashing light can mean misfire, the cam and crank sensors being out of synch (worn timing belt) to name a few things. At our service centre, we have factory-trained technicians who can easily check and diagnose what's behind your check engine light message, at a cost that is nearly always lower than a private garage. Most onboard computers will recheck whatever problem caused the check engine light to activate multiple times. The issue is not what the problem is, but that you get it checked or check it yourself asap. Many times, the Check Engine Light (CEL) can come on, seemingly unprovoked. Check engine light is blinking. It sounds like a bad plug wire. Subaru Check Engine Light. Take it to your local dealer, it's still under warranty Check Engine light comes on due to a wide range of possible problems, automatically disabling. Complete help with wiring questions, component tests, connector locations. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. Flashing "Glow Plug" with steady "Check Engine" light I know it's been some time with an update to my problem, but I needed the time to make sure the problem has been resolved. So I have an appointment tomorrow at the dealer. 3 Count the number of times the check-engine light blinks. He advised there is a known fault with one of the 02 sensors, that he hasn't got round to having fixed yet. Had only driven around town for 10 minute intervals, 25 degrees out, other car temps fine. The Check Engine Light Code Retrieval is free and our diagnostic services start as low as $89. Turn the ignition switch ON, but do not start the engine. The most common Subaru check engine light is the old "forgot to tighten the gas cap" signal. It could be as simple as a loose fuel cap you forgot to fasten after a fuel up. A blinking check engine light means that the condition the computer is seeing is a catalist damaging condition, You need to get it fixed as soon as possible or you will be replacing your catalitic converters. There can be other situations that can cause the check engine light to blink as well. This will cause the "check-engine" light to blink. However the engine light is still on and cruise light still flashing. A flashing check engine is meant to warn you of catalyst damaging misfire occurring and this is the only reason for a flashing check engine light. The automatic transmission fluid is running hot, apparently. Perhaps you've made some changes to your vehicle, or repaired some wonky sensors and need to clear the engine light. Some vehicles have a separate indicator that warns of a loose gas cap before the condition sets off the "check engine" light. My next oil change isn't until towards the end of January. 2008 Hyundai Sonata P0011 Check Engine Code - The oil has been replaced but the P0011 code returned. Another option is to ask your friends and relatives. Average repair cost is $570 at 108,100 miles. The check engine light will NEVER come on telling you to do routine maintenance. think it would be safe to drive to a shop ?. Flashing at start-up may indicate a problem in the control system; stop the vehicle as soon as you can safely do so and have it towed to the closest Subaru dealership. The Check Engine Light Code Retrieval is free and our diagnostic services start as low as $89. Amber Led Flashing Lights. Thanks to the age of information, anyone can be a "Google Mechanic". Check engine light blinking fast. So I have an appointment tomorrow at the dealer. Today while idling at the top of a hill after being stuck in stop and go traffic for an hour, my check engine light came on flashing and VTM-4. A cylinder basically not firing at all. rough idle, blinking check engine light, need help! Rocky Mountains Impreza Club Forum -- RMIC Welcome to the NASIOC. 5L, year 2009. I have changed a speed sensor but it still read the speed sensor code I have changed the alternator and the battery. The Check Engine Light Code Retrieval is free and our diagnostic services start as low as $89. 0L DOHC 16 Valve H4 Engine Codes "EJ205, EJ20T". Repair Information for P0171 Subaru code. 2 4 cylinder and it has about 95K on it. It was low and added what was needed for a good reading. Category Subaru Check Engine Light Blinking Flashing and Fans Cycling On/Off - Duration: 6:34. You need to get the codes and post them here and we can help you. Just this morning started to shake real bad off and on while driving. Continue reading to learn how to reset this light and save yourself the dealership cost. Recently my wife was complaning that her care (2000 Seville) was stumbling on idle and acceleration. The problem was, I would get a flashing check engine light while pulling steep grades, & the engine would lose some power & run a little rough. My next oil change isn't until towards the end of January. My check engine light came on and or my Cruise control light is flashing, is My Subaru ok to drive? A. How were the ends that snap onto the plugs when yo did the plugs? The jumping speedo could very well be spark energy jumping out of the insulation of the wire and shunting into the wiring and messing with the gauges. Check light blinking while driving. 140000 miles. Doing so can lead to safety issues, a roadside breakdown or costly repairs down the line. Blinking Check Engine Light Diagnosis: Subaru Tribeca. It should always store a code though, unless you do 3 full drive cycles and the code will clear itself if the engine doesn't misfire during those trips. think it would be safe to drive to a shop ?. According to the dealership the catalytic converter in my 2008 Subaru Impreza has prematurly failed. Check Engine Light On? Let the experts at AAMCO check it out for you! When the light comes on, turn to AAMCO to check it out and get the repairs you need to get back on the road - lights out and worry-free! Thousands of drivers across the US, Canada and Puerto Rico trust AAMCO when their Check Engine light comes on. I pulled into work on the next block and checked the oil. Tried the above suggestion and it worked after a couple tries. The system is designed to function in a "limp home" mode when trouble occurs and the light comes on - and stays on. Amber Led Flashing Lights. In order to know what the fault is, we must use a code reader tool to check the stored fault(s). There can be other situations that can cause the check engine light to blink as well. Checked all fluid levels, all seems ok, slight weep of power steering fluid though but still showing plenty on the level indicator on the cap. This could be a serious malfunction where coolant is no longer circulating the engine (faulty coolant pump) or it could be an electrical wiring (check connections) or sensor fault (temperature sensor or level sensor) causing the coolant. Car Warning Lights with description and advice how to deal with the problem. Recently my check engine light came on and now my light starts flashing on and off repeatedly. I got about 1/4 mile down the road and the check engine light comes on (seems to be running a bit rough). This unofficial independent, unauthorized Subaru research website by Joe Spitz is designed to help you learn about Subarus. If you ignore a flashing check engine light it is entirely possible that the vehicle burns up the catalyst and causes engine damage. accelerating through the gears and all of a sudden i get a heavy vibration and the check engine light starts to. and have it fixed right away. Is it going to fall apart?! When Keri and I took a road trip, her check engine light popped on just when we were about as far from home as we could be on this trip. 7 TD manual. Ford Owners You can check their check engine light using the diagnostic connector located at the engine compartment by the fender near the battery. Answer: A flashing check engine light is an indication of an engine misfire that is bad enough to cause catalytic converter failure. drove it down the road and at 51 the d starts flashing and the check engine light comes on. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. Check engine light blinking. If the light is flashing, take your vehicle in IMMEDIATELY to be diagnosed and inspected--a flashing light indicates a serious problem with one of your vehicle's components. Ignorance is not Bliss. On GC8's faults can be displayed as pulses of the Check Engine Light. then the light quit flashing, stayed on steady, and the chugging went away. Engine cooling fans are cycling on and off. Welcome to the Subaru Check Engine Light codes page. The guy at autozone told me this means the 3rd cylinder misfired when I drove on highway. The check engine light can come on for one of many reasons, as such there is really no way to know if its for a loose gas cap or something much more serious without at a minimum a code scan. This article applies to the Ford F-150 (2004-2014). I concur with the diagnoses of this problem being ignition-related. 1995 was the first re-design for the Legacy, with all new body, front and rear ends/grill/lights, dashboard, new suspension, longer and wider wheelbase etc and was the first year for the Legacy Outback model and the smaller Impreza Outback Sport. I have a 97 cadillac sts. Check Engine light + Cruise light flashing? IGOTASUBARU is an online forum and community for all Subaru enthusiasts. Blinking Cruise Control Light and sollid Check engine light 49 Answers. I drove the car about a mile this morning to make sure everything was on the up and up. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. The automatic transmission fluid is running hot, apparently. If you still have your cats in then you should drive the car as little as possible. Recently my wife was complaning that her care (2000 Seville) was stumbling on idle and acceleration. Just recently fixed the same problem with my 97 park ave. Another option is to ask your friends and relatives. It shows P303. Get the truck check by a pro to see why the light is on. Another option is to ask your friends and relatives. When the check engine light comes on, it could be. Check engine light being on is a sign that there is a problem with the car. How can I reset my check engine light? Try CARBON CLEANING ! Decarbonization cleans your engine in 30 minutes!. Discover all 2016 Subaru Forester warning icons to notify driver and passenger of safety issues before and during your Subaru driving experience. The Check Engine Light Code Retrieval is free and our diagnostic services start as low as $89. Joined Dec 13, 2001 · 115 Posts. Check engine light came on took car to Auto Zone they said #1 cylinder miss-firing now all of a sudden light is flashing. Next steps: Get a garage to check the engine soon to avoid damaging the catalytic converter or diesel particulate filter. What to Do When Check Engine Light Comes On. Last night I drove my car and less than a half a mile into the trip my check engine began flashing. The complete list of symptoms included: - check engine light on - cruise control light flashing - brake lights not working occasionally - shifter stuck in park occasionally. I have checked the oil, transmission fluids and the coolant and all levels are normal. Q: I have a ‘97 Mazda Protégé lx 1. The guy at autozone told me this means the 3rd cylinder misfired when I drove on highway. It is this generic function of the "check engine" light that can frustrate drivers when it lights up. The check engine light has been coming off and on for the past couple weeks, but today the light started flashing. A flashing check engine light means it has a bad steady miss. Last time before the 401 code, I had a #2 misfire. Average repair cost is $2,100 at 114,350 miles. Hello Guys , I have a serious problem with my car its a honda accord 98 ex vtec engine , 4cyl manual gear. It has a condition that can damage the cat converter or engine. I had no choice but to drive the car the rest of the way home, and since then, the light has not turned on again. 2003 Chevrolet Tahoe P0135 O2 Sensor Code - I replaced all the sensors but the P0135 code is still there. Engine cooling fans are cycling on and off. Reasons Why Mazda Check Engine Light Is On. hummmso reading tonight I found:If the check engine light is flashing, your Subaru has a more severe problem and driving more than a few minutes. Last week I decided to fire it up and take it for a ride. Both check engine light and cruise are off now. Clean mirrors, cabinet handles and light switch plates in bathrooms. 4 V6 with approx 140000. If you have a code left in the deep memory it can reapear like that. Drives but idles rough. i have a 97 honda accord, vtec, check engine light came on yesterday and my drive 4 light on my dash started flashing. Q: I have a '97 Mazda Protégé lx 1. Don’t wait a few days or weeks to get it checked out. Just this morning started to shake real bad off and on while driving. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 3. The code scanner you are using must not be displaying all of the codes or is broken Start with a different code scanner from there have it diagnosed if you. The check engine light is on. Mike Smith · Registered. Instructions on how to troubleshoot Check Engine Light / Check Engine light. Some dealers and repair shops offer a free Check Engine light scan as a seasonal promotional. This afternoon, while running errands, the Check Engine light had shut off and it seemed to be running just fine. To get your check engine light diagnosis or repair, contact the professional mechanics at Ace Auto. I got about 1/4 mile down the road and the check engine light comes on (seems to be running a bit rough). A number of things can cause the check engine light to turn on. What do these mean, - Answered by a verified Subaru Mechanic. then the light quit flashing, stayed on steady, and the chugging went away.