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A spark plug that is causing a misfire is one of many reasons for the check engine light to come on.

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โˆ™ 2010-04-20 10:22:32
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Q: Can your check engine light come on because of bad spark plugs?
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Could faulty spark plugs cause engine light to stay on?

Yes. Your Check Engine light or Service Engine Soon light.

What happens after you get spark plugs fixed and the check engine light still comes on?

Go to Auto Zone and they will check you engine light for FREE... And go from there...

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Turn off check engine light 1996 rav4?

Is there a reset button on a 1996 rav4? Had it checked out, and said it need spark plugs and wires. Replaced it and check engine light still on.

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There is an engine misfire, probably spark plugs issue.

Could changing the spark plugs cause the check engine light to come on in a 95' Tercel?


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You need a code reader that plugs into car's diagnostic port.

Why is the reduced engine power and check engine light Chevy suburban?

If the check engine light code is "Random Multiple Misfirings", you need a tune up. Have the spark plugs and wires changed. The loss of power is due to misfirings.

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My Cirrus wouldn't start with no check engine light either and it was not the battery because the radio, lights, power windows work. After taking to my mechanic he began checking the electrical system and found that the sparks plugs were not getting any power because the distributor was bad.

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What did the check engine light codes say was bad?

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What effects can bad spark plugs have on your vehicle?

Bad spark plugs can have a variety of effects on the performance of your car's engine. Signs of bad spark plugs include a rough idle, engine hesitation, hard starting, check engine light illuminated with a DTC P0300 and reduced engine power.

You just changed the plugs in your 1991 Ford Bronco and now the check engine light is on and wasnt on before you did it How do you get it to go off?

You can turn off the check engine light by disconnecting the negative battery terminal for a couple of minutes.

Check engine light ford f-150 1996?

If your check engine light stays on with your engine running , that indicates a malfunction with your emission control system has been detected . If your check engine light is flashing on and off with your engine running that indicates a spark plug ( or spark plugs ) are misfiring . Have your vehicle scanned for any trouble codes in order to diagnose and repair the malfunction

If your car needs a tune up will the check engine light come on?

The light could come on if you needed a tune up. Cars have sensors that will make the light come on for many different reasons, such as a misfire because the plugs or wires need replacing. It is best to check the code that caused the light to come on.

Your 1988 Nissan sentra check engine light is on what does that mean?

A check engine light could mean many things on a 1988 Nissan Sentra. The light could mean anything to a fuel cap not being tight enough to bad spark plugs.

How do you reset the computer after changing spark plugs on a 03 Impala?

Assuming you want to clear/reset the check engine light, if you have successfully made repairs to correct what was the cause of the check engine light to go on the light will clear itself after a few drive cycles.

What cause a 2001 Nissan sunny engine check light to stay on?

my car had that problem when i washed the engine with water, check the sparking plugs, they might be wet, keep it dry and it will be ok .

Check engine light on 95 Jeep Cherokee Sport?

There are several reasons why a check engine light could be on a 1995 Jeep Cherokee Sport. A few reasons are a loose gas cap, spark plugs, or low oil.

Can bad spark plugs make the check engine light go on?

Yes, along with many other things.

Can the service engine light have anything to do with worn spark plugs?

yes it can ! most new cars the check engine light can come on for many reasons. even a bad gas cap will trigger this light to come on

92 olds cutlass supreme you just had new coil packs plugs wires and complete exhaust now the check engine soon light comes on about once a week but goes off Does light need to be on to check the codes?

The computer stores the codes until it is reset manually. The check engine light does not have to be on to check the codes.