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Would the service engine soon light come on if a brake light is bad?
No.
Why does the service engine light not come on when the key is in the run position?
Reasons the service engine light does not come on: The bulb is burned out. I would suspect this first. There is a wiring problem. The engine control module is bad.
Would the service engine soon light come on if you have a burned out headlight on a 2000 Firebird?
No it will not.
Would the service engine light come on if engine temperature sensor is bad?
That is one of many possible causes.
Trouble code indicated a bad cam sensor. I changed the sensor and reset light but service engine light come back on in a days time. Why would my service engine light come back on?
Could be a wiring issue or a completely different problem.
What would cause the service your engine soon light to come on a 2002 Montero Sports?
Many things could cause your service engine soon light to come on. Every time you start the engine, the computer does a self-diagnostic test. If it finds any faults, it will illuminate the light. I would recomend you find an OBD ( On Board Diagnostic) tester and read the code. Autozone will perform this service for free. They will read the code and tell you what is causing your light to come on.
Check engine light won't come on?
If an check engine light does not come on it is a good thing. When your check engine light comes on, it means you need service done on your vehicle.
Your service engine light came on and you recently got gas that the pump kept shutting off do you think this would make the light come on?
make sure your gas cap is on tight. sometimes this will make your check engine light come on.
Why don't the service engine soon light come on when starting the vehicle?
The check engine/service engine light should come on as soon as the ignition is turned to the on position without starting the engine. If it does not, then the bulb is either blown or has been removed.
Why does the service engine light come on when accelerating your 2000 mercury villager?
It's probably misfiring. You would need to diagnose why.
Would a bad ignition switch cause the service engine light to come on?
Not usually....No. Take it in to AutoZone and have them check the codes for you.
Will your service engine light come on if your crankshaft sensor is bad?
yes
