Spark Plug Wires – While only some models and engine combinations of vehicles today come with spark plug wires (a lot are now coil-on plug), if your Explorer happens to have them, they can go bad and cause a rough idle. Here’s a great video on how to diagnose faulty plug wires with a multimeter. 2. Vacuum Leak.Suspension issues: Issues with your front suspension can also cause your vehicle to shake or vibrate. When this is the case, your car will act normally when stopped, but will begin vibrating during changes in speed or when traveling over bumps. Suspension problems may also be accompanied by odd noises like periodic clunks, squeals, and squeaks.I turned the engine off, tried again, same thing, shaking hard, check engine light blinking. Turned the engine off, waited 5 minutes, then it starts perfectly fine, the engine works fine, the car drives as usual. The check engine light is …If the timing belt is worn out, it can cause the car engine to shake as the idle air control valve is not opening and closing at the correct time. One of the most common and expensive car repairs is replacing a worn-out timing belt. Depending on the make and model of your vehicle, replacing a timing belt can …Apr 16, 2019 · See Also: 6 Reasons Why the Check Engine Light is Blinking and Car Shaking #9 – Dirty or Worn Spark Plugs. Spark plugs that are dirty or fouled up can cause the engine to misfire. While the problem is usually first noticed when at a stop, it may also make it seem like the car is vibrating when driving. The exhaust heat can also bake the O2 sensor wiring going to/from them over time. If an oxygen sensor begins to fail, it can make your Jetta run too lean (or rich). A super lean running engine will often shake when idling. The mixture would be wrong at all RPM, but the shaking decreases as the engine speed increases. 1. Fuel Cap. The fuel cap, along with a series of lines inside of the gas tank, makes up a system that recirculates gasoline vapors and keeps them from escaping into the surrounding area. A loose or faulty fuel cap can result in unintended emissions, leading to the check engine light turning on. Additionally, loose fuel caps can mean the gas in ... Generally, if your car is shaking and checking engine flashing, there is an issue with the engine or simply an issue with fuel supply, fault in the ignition coil, bad engine sensor, or poor spark plugs. If your car shakes when idling, the issue is probably caused by an idle air control valve. It’s not recommended to drive a car when the check ...An engine misfire is the most common cause of a shaking idle, and as the engine stumbles and misfires, it should be noticeable on the tachometer as a drop in RPM. If the tachometer is rock steady, and the shaking seems worse out of gear than in gear, it indicates a bad motor mount. 4. Engine Timing.7 Reasons Your Car Shakes When Check Engine Light Flashes Due to Misfire (Don't Ignore!) Autocornerd. 50K views 4 months ago. The Top 5 Reasons Your Check Engine Light May …Flashing check engine lights and car shaking often indicate a misfire. Common causes include faulty spark plugs and fuel delivery issues. Ignition coil damage …Raise up the vehicle slightly in the front to get to the converter. Put the vehicle on jack stands in the appropriate space to ensure your safety. Chock the rear wheels. Apply the parking brake. Use your rubber hammer to tap on the catalytic converter. If there’s a rattling noise inside the cat, you should replace it. 4. Check Engine Oil And ...Aug 14, 2021 · The ‘check engine’ light flashing and your car shaking is a sign of a severe problem that needs immediate attention. As you may know, the check engine light (CEL) helps you know when there is a problem with your car’s ignition, fuel, emissions, and exhaust systems. The onboard computer triggers the CEL light to prompt you into fixing the ... As I said earlier, a shaking car with a traction control light on is often a problem caused by a traction control system connected to a faulty wheel speed sensor. The most common way to fix it is to replace the speed sensor. On average, a new wheel speed sensor costs between $143 and $172. And the average cost of labor is $62 and $78.The 5 Reasons Your Engine May Be Shaking & Vibrating. 1. Worn Spark Plugs. A spark plug sits at the top of each engine cylinder to initiate the combustion that powers the car. Over time, spark plugs will wear down from typical use …Oct 19, 2013 ... First thing to check is the engine and transmission mounts. If the engine shakes they are likely bad and need replacing (regardless of whether ...The reason your Ford Mustang shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. If a motor mount is causing the problem, once you put the car into gear, the torque from the engine will hold it against the frame. It can be very jarring when your Ford Mustang shakes …Common causes of cars shaking over 45 mph can include misalignment of the wheels, bad wheel bearings and warped brake rotors. If your car is shaking at relatively low speeds, it’s ...1.2 Faulty brakes. 1.3 Wheel alignment or balance issues. 1.4 Other possible causes. 2 Reason 1 – Engine Misfires Causing the Car to Shake. 3 Reason 2 – Worn Out or Unbalanced Tires. 3.1 Worn Out Tires. 3.2 Unbalanced Tires. 4 Reason 3 – Issues With the Suspension System. 4.1 Faulty Shock Absorbers or …May 24, 2019 ... Sounds like ignition coils. Save Share. Like.Jake. 7,139 satisfied customers. 2017 hyundai elantra check engine light comes on at times. 2017 hyundai elantra check engine light comes on at times and car shakes took to hyundai dealership motor replaced new spark plugs put in also … read more.If the check engine light comes on and the car starts shaking, this is usually a sign that there is a problem with the engine. The most common cause of this is a misfire, which can be caused by a number of things such as a faulty spark plug or coil, dirty injectors, or a vacuum leak. If the problem is not fixed, it can lead to more serious ...Aug 21, 2021 · A flashing check engine light and noticeable car shaking are usually caused by a cylinder misfire. When a cylinder misfires, it disrupts the engine’s combustion process, leading to imbalanced power output and causing the vehicle to shake. Some warning lights like the “check engine” light may also flash, depending on the type of malfunction. If the flashing light persists, the electronic stability control might cease functioning, and the cruise control would switch off on its own. ... If this is done correctly, there will be a significant reduction in car shaking. Damaged ...1. Worn Spark Plugs. Spark plugs can wear out over time due to electrode erosion or carbon buildup. A worn spark plug results in incomplete combustion, engine misfire, and RPM fluctuation — causing your car to shake. Note: You might also have idle shaking and misfire if your ignition coil is faulty.Feb 23, 2023 · https://amzn.to/3NebLCc - All-in-One OBDII ScannerLet's find out what it means if the car is shaking and the check engine light is flashing.Timecode:00:00:00... Feb 17, 2023 · When an engine misfires, one or more of the cylinders doesn’t produce the power it should. A misfire can be caused by numerous problems, many of which can also lead to a flashing Check Engine Light. For example, you might be dealing with fouled-out spark plugs, a faulty oxygen sensor or a vacuum leak. The shifting was extremely abrupt and choppy. Then the engine light came on and the car began to shutter/shake. Not a mild vibration, but actually shaking me in my seat. I pulled over and the light went out. When I pressed the accelerator again, the light came back on and the car started shaking again. I limped it home, but at any speed …Mar 6, 2019 ... ... car shaking. Tags: car control engine engine light on exhaust flashing light on or blinking shaking ... Shaky motor + check engine + check ...P0301 Cylinder #1 — Misfire Detected. P0302 Cylinder #2 — Misfire Detected. P0303 Cylinder #3 — Misfire Detected. P0304 Cylinder #4 — Misfire Detected. It does not explain the burning smell, but getting the codes is essential if you cannot see an obvious cause of the problem. Burnt/melted cables, etc.The result is engine vibration and a loud knocking sound. With the engine vibrating, the car will also shake, and the Check Engine and Trac Off lights appear on the instrument cluster. Bad Fuel Pressure Regulators; A pressure regulator's function is to maintain a correct and consistent pressure for fuel injectors in different driving conditions.GET FIXD 67% OFF. Your check engine light, sometimes called the malfunction indicator lamp (MIL), means that your car is experiencing an engine problem. Depending on the vehicle, the warning could also include words such as “Check” or “Service Engine.”. Check Engine Lights (CELs) are triggered when …The reason your Ford Mustang shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. If a motor mount is causing the problem, once you put the car into gear, the torque from the engine will hold it against the frame. It can be very jarring when your Ford Mustang shakes …Dec 29, 2020 · Easy stuff to check. 1) gas cap, when gasket fails the evap-can will release gas vapor causing uneven rich mixture and engine wobble, prolonged can trigger engine check light. Should be changed every 2-3 years with factory cap. 4) The ignition coil boot and spark plug spring connector. Our small business community offers up some great suggestions for shaking things up a bit. It’s easy for small businesses to get stuck doing the same things over and over again. If...Jul 31, 2023 · When this check engine light issue is combined with the symptom of car shaking, it’s a bit easier to narrow things down. Even so, car shaking itself can be caused by many different things. It’s also possible that the car shaking isn’t the only reason why your check engine light is on. You need to have things thoroughly analyzed to get ... An engine misfire is the most common cause of a shaking idle, and as the engine stumbles and misfires, it should be noticeable on the tachometer as a drop in RPM. If the tachometer is rock steady, and the shaking seems worse out of gear than in gear, it indicates a bad motor mount. 4. Engine Timing.The most probable causes why the check engine light flashing and the car shaking are a dead spark plug, ignition coil, ignition leads, or a bad fuel injector. The less likely causes …There are six (one for each piston), and when one stops working, you get a cylinder misfire. Your car is shaking because when a cylinder stops firing, it becomes dead weight on the crankshaft, which throws the engine off balance. The fix is pretty easy... you only need about 10-15 minutes, an allen wrench, and a new coil-pack (about $100 from ...When pouring additional oil and it reaches the neck of your oil cap, allow it to settle, and you’ll see the level decreasing. Start your engine and let the oil flow ultimately. Consequently, your oil level will decrease further. Allow your engine to operate, then refill the oil to the oil cap’s neck. However, shaking might be detected after ...Battery-electric vehicles and plug-in hybrids have more problems than the average car, according to the annual J.D. Power U.S. Initial Quality Study (IQS) released Wednesday. The 2...Generally, if your car is shaking and checking engine flashing, there is an issue with the engine or simply an issue with fuel supply, fault in the ignition coil, bad engine sensor, or poor spark plugs. If your car shakes when idling, the issue is probably caused by an idle air control valve. It’s not recommended to drive a car when the check ...20 posts · Joined 2011. #1 · Jan 28, 2012. Hey you guys, yesterday i started the car, its an e46 320i 04', its cold out here about -5 to -20 C. The engine light in the instrument panel turned on and the car was shaking much much more than the normal small vibrations. The "Fail mode" seemed to be on because the …May 17, 2014 ... I would first check your spark plugs, make sure that none of them are fouled or oil soaked. And replace any that are bad. Then see how the car ...For example, if your engine speed sensor code is displaying, this means you’ll need to replace that sensor. An engine speed sensor code won’t cause Volkswagen vehicle shaking but it will cause your VW epc light to illuminate. But if your vehicle is shaking and your EPC light is on, check on some of the items mentioned earlier in this article.Easy stuff to check. 1) gas cap, when gasket fails the evap-can will release gas vapor causing uneven rich mixture and engine wobble, prolonged can trigger engine check light. Should be changed every 2-3 years with factory cap. 4) The ignition coil boot and spark plug spring connector.If the vehicle shakes or the engine shudders a lot when stopped at a stoplight, or when parked with the engine idling, it might indicate the motor mounts or transmission mounts are damaged or broken. To see if this is really the problem, shift the car into neutral. If the shaking decreases, it’s a strong indicator the engine’s motor mounts ...If you see your check engine light flashing and car shaking, its means you are dealing with the engine misfire. A misfire occurs one or more cylinders fail to ignite correctlyDiscover the reasons behind car shaking when idle and learn how to address this common issue. Get expert insights and tips to ensure a smooth driving experience. ... An improperly secured cap might set off the “Check Engine” light, impacting how the fuel pressure and overall engine operation work. Guaranteeing a secure closure helps stop ...Common causes of cars shaking over 45 mph can include misalignment of the wheels, bad wheel bearings and warped brake rotors. If your car is shaking at relatively low speeds, it’s ...Nov 29, 2023 · 1. Address Fuel System Issues. If fuel system issues, such as a clogged fuel filter, faulty fuel injectors, or a malfunctioning fuel pump, are causing the engine light on car shaking, addressing these problems is crucial. Replace the clogged fuel filter, clean or replace faulty fuel injectors, or repair or replace the malfunctioning fuel pump. A check engine light flashing and car shaking means your car engine is misfiring. Misfiring means that your engine is dumping unburned fuel into your car’s exhaust system. In most Toyota and Lexus cars, this doesn’t necessarily mean serious damage. The check engine light might also come up when your …The check engine light — more formally known as the malfunction indicator lamp (MIL) — is a signal from the car's engine computer that something is wrong. The light could be a minor issue ...Many things can cause your vehicle to vibrate or shake. Here are a handful of causes to watch out for. Tire balancing. The simplest and most common reason for your vehicle to shake is tire balancing. Balancing a tire is a process of adding small amounts of weights to each wheel or rim with a tire installed on it.March 27, 2023 by Jason. The check engine light indicates that you need to service a vehicle soon. If your Hyundai Accent has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors). If your car has a flashing check engine light, it means you need to service the engine ...The phaseout will exempt vehicles running on so-called e-fuels European Union members formally approved a ban on the sale of new carbon dioxide (CO2)-emitting cars by 2035. What wa...On my commute home (at freeway speeds) the “Service Stabilitrak” message came and the car suddenly lost power. Then the check engine light started to flash as well. Side note: Once the car was up to temp, I put it into track mode before getting on the freeway. I pulled over then shut the car off and restarted but the message persisted.Jun 7, 2018 ... Every time I stopped at a stop light, the car would start to shake really bad and I thought it would stall or shut down. But when I start ...$1300.00 later and driving less than 30 miles, same thing happened again. Check engine light, trac off and VSC lights all came back on and the car is shaking. Going to need to tow it again. The car CAN NOT be driven. If I even try to drive it it will shake even more.Seeing the ominous check engine light flashing is unsettling enough. But add in the feeling of your car shaking, along with concerns over safety or costly repairs, and it’s understandable to feel anxious when faced with this scenario.. The good news is that while a blinking check engine light plus a shaking car indicates problems requiring attention, it …Dynamometer Testing for Your Industry. Dynamometer testing for chassis and engines can provide a significant amount of actionable data. These tests are also …The traction control system will then detect this change in stability and cause the traction control light to come on. When this light comes on, your car may get into limp mode, making it unable to accelerate beyond around the 30mph mark. When the engine is experiencing a misfire, the check engine light will also normally start flashing.March 27, 2023 by Jason. The check engine light indicates that you need to service a vehicle soon. If your Hyundai Accent has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors). If your car has a flashing check engine light, it means you need to service the engine ...Feb 22, 2024 · 4 Exploring Reasons for Elantra Shaking. 4.1 Worn-out Brake Pads. 4.2 Wheel Alignment Issues. 4.3 Engine Misfires. 5 Engine Inspection for Shaking, Pulsating, or Vibrating Issues. 6 Ignition Coil Pack and Misfire: Causes of Shaking and Check Engine Light. 7 Resolving Hyundai Elantra 2017 Check Engine Light and Car Shaking. The most probable causes why the check engine light flashing and the car shaking are a dead spark plug, ignition coil, ignition leads, or a bad fuel injector. The less likely causes …Dynamometer Testing for Your Industry. Dynamometer testing for chassis and engines can provide a significant amount of actionable data. These tests are also …4 Exploring Reasons for Elantra Shaking. 4.1 Worn-out Brake Pads. 4.2 Wheel Alignment Issues. 4.3 Engine Misfires. 5 Engine Inspection for Shaking, Pulsating, or Vibrating Issues. 6 Ignition Coil Pack and Misfire: Causes of Shaking and Check Engine Light. 7 Resolving Hyundai Elantra 2017 Check Engine Light …Worn-out brake components are probable causes of pulsations through the brake pedal and steering wheel. Warped brake rotors, a sticking caliper, or …If there is an engine light on the dashboard, check the engine bay for any disconnected sensors. The O2 sensor, the MAP sensor, and the MAF sensor need to be connected correctly. The engine bay is where to look for loose or severed wiring.Your roof is a big part of your home, so it’s only natural that you want to put the best shingles on that you can. Some types of shingles like your Expert Advice On Improving Your ...$1300.00 later and driving less than 30 miles, same thing happened again. Check engine light, trac off and VSC lights all came back on and the car is shaking. Going to need to tow it again. The car CAN NOT be driven. If I even try to drive it it will shake even more.Dec 13, 2023 · Common causes are a dirty fuel or air filter, bad spark plugs, or a failing ignition coil (or other ignition components). If the engine is running normally but is still shaking at idle, the cause is likely a bad engine mount or transmission mount. When a mount is weak or tears apart, the engine’s movement is not dampened, allowing a lot of ... If you’re a car owner, you know how frustrating it can be when your vehicle starts experiencing performance issues. From strange noises to sudden drops in fuel efficiency, these pr...My S60 is shaking, Check Engine light Flashing. My 02 S60 2.4T AWD has about 107k miles and is overdue for the 105k service (Dealership wants $1500), so i'm having one of my locally available mechanic change the timing belt and water pump, tensioner and pulley changed. Getting the parts from FCPEuro.It also was intermittently shaking, almost bucking. Then the check engine light, VSA, and triangle/exclaimation point stayed illuminated. I turned the car off and restarted it. It started up fine and no lights were on. Then I tried again to drive it and still had no power and check engine light was flashing again only when stepping on gas.4. Idle Air Control Valve Issues. An issue with the idle air control valve will cause the engine to shake when it idles. The valve regulates airflow to the car’s engine as it idles to prevent stalling. Lack of maintenance or use of incompatible or poor-quality fuel causes issues with the valve to develop.Mar 22, 2010 ... 4 months ago my car started shaking and the check engine light started to blink. so thinkin it was misfire i change the 6 sparks plugs and ...If the timing belt is worn out, it can cause the car engine to shake as the idle air control valve is not opening and closing at the correct time. One of the most common and expensive car repairs is replacing a worn-out timing belt. Depending on the make and model of your vehicle, replacing a timing belt can …Battery-electric vehicles and plug-in hybrids have more problems than the average car, according to the annual J.D. Power U.S. Initial Quality Study (IQS) released Wednesday. The 2...A car shaking with a flashing check engine light means that you have a misfiring issue, such as bad spark plugs and ignition coils. Additionally, other issues can cause your car to shake and your check engine to light up, including clogged fuel filters, a dirty fuel pump, and faulty fuel injectors. ...Other symptoms include: Poor acceleration, a check engine light, bad fuel economy, and strange smells in your engine bay and car. The DIY fix: Purchase an air filter designed for your make and model. Find the air box in your engine bay and replace the air filter. Cost for professional repair: This is one of the cheaper repairs. It shouldn’t ...Be sure to tighten up the gas cap for a steady ride. 6. Inspect the Gas Cap: A simple yet often overlooked cause of engine shaking at idle is a loose, damaged, or missing gas cap. Inspect the gas cap for any visible damage and ensure that it seals properly when closed. If necessary, replace the gas cap.This will cause the engine to shake, check engine light to come on and the Stabili Trac light to come on. A flashing check engine light is more severe as it can damage the catalytic converters. ... Since the weather got colder, it hasn't ... but did it the other day when we had a freak warm day. Engine light blinks while the car stumbles, falls ...The Stop/Start message 'could' indicate a battery related issue if lucky. I had an auto start/stop light coming on in my 2017 JGC, followed by rough running engine and a check engine light. After 4 trips to the shop to install in a new computer, new batteries, solenoid replacement and repair of a broken wire, the issue still occurred.In almost every instance, a flashing check engine light accompanied by a notable shaking is a sure sign of a cylinder misfire. The term misfire could best be described as a partial or complete loss of combustion on or more of an engine’s cylinders. While singling a misfire out as the root cause of the symptoms …Check engine light, engine shaking. Randomly i was driving yesterday, and out of no where the check engine light came on. As soon as it came on I felt the car shaking slightly. Also the car was not accelerating like it should. No matter what gear I was in, it felt like half the power as usual. When the car was …Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. How much does Engine is shaking, pulsating or vibrating Inspection cost? Get an estimate instantly. Service, parts, cost & recommendations from YourMechanic.Easy stuff to check. 1) gas cap, when gasket fails the evap-can will release gas vapor causing uneven rich mixture and engine wobble, prolonged can trigger engine check light. Should be changed every 2-3 years with factory cap. 4) The ignition coil boot and spark plug spring connector.The third reason for the check engine light is on and car is shaking issue can be a faulty intake manifold gasket. These gaskets work as a seal and when the seal loses its ability, it causes the engine to overheat. Other than an overheating engine, if you can smell the coolant leak, it is a symptom that there is something wrong with the gasket.
The reason your Chevy Cobalt shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. If a motor mount is causing the problem, once you put the car into gear, the torque from the engine will hold it against the frame. It can be very jarring when your Chevy …. Korean skin care near me
If you see your check engine light flashing and car shaking, its means you are dealing with the engine misfire. A misfire occurs one or more cylinders fail to ignite correctlyStep 1. Inspect the motor mounts for signs of wear and tear. Look for any cracks, tears, or signs of excessive movement. Step 2. Check for any misalignment or looseness. If the motor mount is not correctly aligned, it can cause the engine to move excessively and create vibrations when the car is parked. Step 3.Feb 22, 2024 · 4 Exploring Reasons for Elantra Shaking. 4.1 Worn-out Brake Pads. 4.2 Wheel Alignment Issues. 4.3 Engine Misfires. 5 Engine Inspection for Shaking, Pulsating, or Vibrating Issues. 6 Ignition Coil Pack and Misfire: Causes of Shaking and Check Engine Light. 7 Resolving Hyundai Elantra 2017 Check Engine Light and Car Shaking. 8 Urgent Reasons Your Car Is Shaking While Driving. Here are the most common causes of a vibrating car: 1. Wheel Issues. Car shaking while driving is almost always linked to wheel troubles. The cause can be the wheels and rims, a faulty wheel alignment, or a worn wheel bearing . Let’s cover each in detail:The exhaust heat can also bake the O2 sensor wiring going to/from them over time. If an oxygen sensor begins to fail, it can make your Cruze run too lean (or rich). A super lean running engine will often shake when idling. The mixture would be wrong at all RPM, but the shaking decreases as the engine speed increases.Aug 14, 2021 · The ‘check engine’ light flashing and your car shaking is a sign of a severe problem that needs immediate attention. As you may know, the check engine light (CEL) helps you know when there is a problem with your car’s ignition, fuel, emissions, and exhaust systems. The onboard computer triggers the CEL light to prompt you into fixing the ... Damaged Motor Mounts. If your motor mount is damaged, this can cause the engine to vibrate and your car to shake while idling, or even while the car is stopped. Since it is more uncommon for your car to shake while stopped, if you feel your car shaking, a damaged motor mount is usually the culprit. This component is in charge of supporting …A shaking, vibrating or shimmying car is a real pain in the neck for thousands of car drivers. It is one of the most boresome and common issues one might face. A great number of things can lie at the root of this problem: from the most trivial ones like bad road surface or worn-out tyres to quite a serious one such as engine malfunctions.Dec 18, 2022 · There are multiple reasons why your car shakes when idle but then smooths out when you start driving. The most common causes for this problem include worn-out engine mounts, faulty or dirty spark plugs, blocked fuel injectors, and damaged/loose vacuum hoses. Other possible causes for rough idling which smooths out while driving includes broken ... The traction control system will then detect this change in stability and cause the traction control light to come on. When this light comes on, your car may get into limp mode, making it unable to accelerate beyond around the 30mph mark. When the engine is experiencing a misfire, the check engine light will also normally start flashing.3 days ago · 8 Urgent Reasons Your Car Is Shaking While Driving. Here are the most common causes of a vibrating car: 1. Wheel Issues. Car shaking while driving is almost always linked to wheel troubles. The cause can be the wheels and rims, a faulty wheel alignment, or a worn wheel bearing . Let’s cover each in detail: If your check engine light is blinking and your car is shaking, you’ll want to diagnose your car for a misfire. This is the most common reason a check engine light will flash and cause a …Ensure proper tire balance: Out-of-balance tires can cause your car to shake at higher speeds. Make sure to have your tires balanced regularly to maintain a smooth ride. Align your wheels: Misaligned wheels can contribute to shaking and lead to uneven tire wear. Regular wheel alignments can help ensure a more stable and comfortable ride.On my way back from work, my car started shaking and vibrating while driving. Check engine light also came on and there was reduced power. I started driving towards the dealer and wasn't sure if I would make it there or not. Luckily i did, but before getting there the check engine light went off, and the car started driving much smoother.Jan 29, 2014 ... if the check engine light is on, get it checked out. Even if it's not on there could be pending codes. 1991 BMW 325i(Current Daily) (S52) I have ...If there is an engine light on the dashboard, check the engine bay for any disconnected sensors. The O2 sensor, the MAP sensor, and the MAF sensor need to be connected correctly. The engine bay is where to look for loose or severed wiring..