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Try clearing it from the system. You have to remove the efi relay while shorting out the appropriate pins. Not sure which car so can't be specific. Once done recheck the codes and see if there are any. If not then restart and see if light comes on. If it does then recheck the code and see if its another sensor. If not then do a complete check on the wires. They can go bad too.
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∙ 14y ago
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Why would the cam sensor turn on check engine light?
That is what the check engine light is for. It informs you of a failure.
Symptoms of a bad o2 sensor?
The "check engine" light would illuminate.
Would the check engine light come on if the oxygen two sensor needed replacement?
The O2 sensor is one of many things that can turn on the check engine light. You need to have it checked for codes.
Can a bad 02 sensor cause your engine to make a noise?
Not likely. A bad O2 sensor would illuminate the check engine light and the engine performance would suffer.
Would a bad O2 sensor cause check engine light to come on?
Yes
Would light come on if problem with catalytic converter?
If it has a downstream O2 sensor the check engine light will come on but if it does not the light may not come out. In most instances it will set the check engine light.
Why would check engine light stay on after crankshaft sensor is changed when code said crankshaft sensor is bad?
Check to see if the wiring is damaged.
How do you know if the 02 sensor is bad?
The check engine light would illuminate and the code set would help lead you to which sensor is at fault.
If your vehicle speed sensor is going out would that cause your check engine light to come on?
It could
What are Signs of a bad oxygen sensor jeep wrangler?
Check engine light would appear.
How can you check the knock sensor on 2007 Chevy Cobalt?
If a knock sensor was bad, the check engine light would be illuminated and the code(s) set would indicate so.
92 Camaro idles very rough when cold runs well once warmed check eng light not on Why?
Engine coolant temp sensor. I would check codes if you have a ECT code replace the sensor. does the check engine light come on with key on engine off, If it doesn't replace bulb. If the engine light works check fuel preasure,
