check engine light on but car runs fine reddit

When the check engine light comes on your cars computer which is often referred to as a control module will store a corresponding diagnostic trouble code DTC in its memory. If the check engine light is on it is not always a serious issue.

How To Reset Your Check Engine Light At Highlandtire Com

Check engine light comes on and off between drives.

. That means the system could be finding a problem that doesnt exist or it could be that loose wire systems are creating a false positive in the system. Even if you find a good mechanic if youre like me you shiver at the thought of paying hundreds of dollars for major vehicle repairsEven more you dread paying 100 just to have your mechanic take a look at your vehicle to tell you that nothing is wrong with it or even more to start running diagnostics or. There is a fault code stored for the light.

If the vehicle seems to be running good then it may be related to the evaporative emissions system or something else related to the emissions. -A dead battery can be a serious issue. The cap is a crucial part of a cars fuel delivery system.

It notably prevents gasoline. Joined Jan 24 2005. Switching the ignition on and off is also one method of hard reset without disconnecting batteries.

There are a couple of issues that can arise with your spark plugs which might make your check engine light turn on. The check engine light can come on for varies reasons and it could be a minor or major problem If it comes on while driving dont panic. You can do that yourself by disconnecting the battery for a half hour.

If nothing seems to be acting strange then it is probably safe to. Troubleshoot the Check Engine Light for Free. Mar 2 2006 1.

The codes at Auto Zone indicated misfires in cylinders 1 2 and random misfires. Faulty crankshaftcamshaft sensor. Its possible its just your fuel cap thats a common trigger of check engine lights.

Originally the oil was about a half qt low so I filled it up and reset the battery to shut the light off. Do a brake and steering check. Check engine light on or flashing in your car what it means and if you should worry DIY with Scotty Kilmer.

But if my tranny is shot figure on. Taking it to the shop tomorrow Close. You need to find out what the OBD onboard diagnostic code is to determine the problem.

The check engine light tells you that the ECM computer senses a fault in one of your cars systems. So I changed the oil same. The check engine light will definitely come on if your car has spark plugs spark plug wires a distributor caprotor or ignition coils and the parts are failing and causing the engine to misfire.

Check engine lights come in orange yellow or amber depending on the manufacturer. Unfortunately many people assume that the appearance of a check engine light when everything seems fine with their vehicle is just a glitch that can be ignored. A bad mass air flow sensor is often the likely culprit if your car isnt running as it should.

When you put in the new tank of ethanol free fuel its possible you just reseated the gas cap gasket better so the evaporative leak was gone but then the gasket started leaking again. Serious issues such as Spark plug Bad spark plug wires Dead battery and so on. Posted by 4 years ago.

There are many systems on the car and it still can right well even with a fault. If the light begins flashing however it indicates a more serious problem such as a misfire that can quickly. Continue driving and see if the check engine light turns off.

Immediately after leaving Auto Zone the car started sputtering at the next stop light and the Check Engine light began flashing again. This is the code I got off the reader anyone. Similarly if you have a faulty ignition coil it can also trigger the light as can bad spark plug wires.

You should never ignore the code as it could lead to something major if you do not address it. Your Engine Got Wet Where It Didnt Like It. Most onboard computers will recheck whatever problem caused the check engine light to activate multiple times.

A flashing or blinking check engine light is most often caused by misfires. Many think ignoring a check engine light will make one go away instead itll only make the underlying problem grow worse over time that could eventually result in a major breakdown that requires. Check engine light comes on but car runs fine Posted by DrunkPenguin Mar 2 2006.

If it comes back then you can get it checked. The most common cause of this is when you dont tighten the gas cap all the way if your car has one. The check engine light can sometimes go away on its own if the problem stops persisting.

If your spark plugs are worn or faulty they can cause your engine to misfire making it run rough and illuminating your check engine light. Pay attention to how your vehicle is behaving. 108000 miles the check engine light is on and the code pulled was p2187.

Car runs and sounds fine as far a I can tell. A loose fuel cap is one of the most common reasons why the check engine light turns on. The Check Engine light was on but solid.

Replacing these worn out parts will not only improve your gas mileage right away but they can also make the car run substantially better assuming theres nothing else wrong. When it does you can expect to see the Check Engine light. If my code is transmission-related often a flush-and-fill transmission service 150 to 200 will solve the problem.

It can be a nonserious issue like a loose fuel cap Vacuum leak etc. We worked on a Ford truck once that triggered the Check Engine light every time it rained. Turning the Ignition On and Off.

Now it may or may not be associated with a performance or rough running condition. A professional mechanic can connect a scan tool or code reader to your vehicles OBD port which is usually located in the steering column in order to retrieve this diagnostic code. Check engine light comes on and off between drives.

Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step. If the light is just on its usually not harmful per se. Sometimes the check engine light comes on to let you know that theres a problem with the cars internal diagnostic mechanism.

YES you can continue to drive the vehicle. Pull over tighten it and take a look at the cap to see if it has any cracks in it. In the article there is.

However it is not as simple as that because many different things can cause misfires. Internal engine problem rare EVAP trouble codes. Ran fine for a day and then the light came back on.

This is the code I got off the reader anyone know what it might be. The auto parts store will scan for the code but most will not reset the computer. Up to 25 cash back The check engine light comes on for emissions purposes ONLY.

The car started fine and there was no sputtering at all. Use your senses and listen for any unusual sounds watch for shaking or surging. Any electrical hiccup under the hood can cause one of your cars gazillion sensors to take a funny reading.

How to fix the check engine. Once it is done see if the engine check light is still coming on or not.

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