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Could a bad battery turn the check engine light?
A bad battery will not turn on a check engine light. A bad alternator however will. Have your vehicle checked and see if the alternator is putting out at least 13.5 volts and if so there may be another issue causing the light .
Should the check engine light come on if an O2 sensor is bad?
The oxygen sensor is one of many things that could turn the check engine light on.The oxygen sensor is one of many things that could turn the check engine light on.
How can you disable the check engine light for an o2 sensor?
replace the bad sensor and it will turn off.
What are the symptoms of a bad ECU for a 1988 turbo Supra 7MGTE?
When you turn the ignition on the CHECK ENGINE light will not light up at all.
Will a bad oxygen sensors turn the engine light on 2004 olds alero?
Yes a bad senser in any vehicle will turn your engine light on. Even a performance air intake will turn your engine light on.
Does the check engine soon light detect a bad cylinder?
Yes. I have a bad cylinder in the engine of my Saturn Outlook and it was detected by the check engine soon light.
If the check engine light is not on and the engine does not turn over can it still mean the engine is lock up?
Could be locked up, starter could be bad, computer could be dead,.....................
Will the check engine light come on if a wheel bearing is bad?
No - usually the Check engine light is for the emission control system
How do you fix a broken speedometer in a 1996 Acura Integra it stays on 0 would that have anything to do with the check engine light coming on?
It sounds like your VSS(Vehicle Speed Sensor) has gone bad, which will turn on your check engine light.
What would cause your subs to stop working and your check engine light to turn on?
bad fuse or short to ground or an open circuit
Can a bad muffler cause the check engine light to come on?
Your bad muffler might be part of the reason your check engine light comes on. Usually, your bad muffler causes something else to go wrong and that causes your check engine light to come on. Problems cascade.
Can the crankshaft sensor be bad if the check engine light is not coming on?
It could be bad with out turning the light on.
