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What could cause the Check Engine light to come on already replaced the gas cap and the light went off for a couple of days now is back on again?
Wiki User
∙ 15y ago
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Wiki User
∙ 15y ago
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Replaced the EGR valve in my 2000 Honda odyssey...is there a way to reset the check engine light?
You can reset it with your OBD reader or you can disconnect the negative battery cable for a couple of minutes to reset the check engine light.
You have replaced the O2 sensors in your 1998 Mercury Mystique how do you reset the check engine light w no diagnostic scanner?
I have a 98 mystique, and when the check engine light comes on, I simply disconnect the positive battery terminal for a couple of minutes. When I replace it, the check engine light is cleared. It resets the computer.
What should you do if the diagnostic for a '97 Nissan has error code 446 the gas cap was replaced and the check engine light came back on?
Did you reset the Check Engine light? If not, reset by disconnecting the negative battery cable for a couple of minutes. This will erase the computer. Reconnect the battery cable and if everything is OK, the Check Engine light should be off.
What does it mean if your check engine light goes on stays on for a few days and then goes out again you had the car checked over a couple of months ago and some gaskets were replaced?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
What does the pedal relay mean when you check engine light comes on?
It means that your relay is out, and has to be replaced with a new one, and once its been replaced, your check engine light will turn off in about 20 minutes or so.
Reset check engine?
check engine light reset on a 1999 Acura CL 3.0.. Just replaced the egr valve. Thx
What can you do if your lights won't turn on and you've already replaced the light switch?
Did you check the fuse?
What is causing the check engine light to stay on the egr valve is clean and carbon free?
If you just cleaned the EGR and replaced it, you can turn off the Check Engine Light (CEL) by disconnecting the negative battery cable for a couple of minutes. The engine may run rough for a few miles until it "re-learns". If the CEL comes back on, take the vehicle to AutoZone for a free scan. If the code still indicates a faulty EGR, it may have to be replaced.
What do you do if the check engine light comes back on after replacing the speed sensor?
I had all sensors replaced in my 03 Trailblazer and the check engine light stiil comes on. Why?
How do you reset the check engine light on a Hyundai?
you disconnect the battery for a couple minutes.
Why would your ABS light and Check engine light remain on?
Most likely a speed sensor at one of the front wheels has attachment broken.
Will a fuel filter turn your check engine light on?
A clogged or defective fuel filter will very likely cause a check engine light. If it is suspected, it should be replaced.
