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Can it be because of the alternator that your check engine light is on How much is it to change the alternator?
Wiki User
∙ 17y ago
No, the check engine light does not mean that your alternator is bad. My alternator went out in my cavalier and there were no warning signs until the car started to die on me. the gages, wiper blades(I was using them at the time) and radio were all acting funny-fading and turning on and off. Finally it quit and wouldn't turn over. Had to be towed to mechanic and they replaced alternator with a new one for about $280.00. You can get a rebuilt one, they cost less and it's even better if you know someone who can replace it for you.
Wiki User
∙ 17y ago
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check the engine belt and the alternator belt
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Check fuseable link on alternator Check fuseable link on alternator
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Change alternator or check alternator brushes
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The alternator in a Chevy Impala operates various electrical devices in the vehicle while the engine is running. A voltage regulator keeps the voltage level constant and is usually part of the alternator assembly. You may need to replace the alternator if your headlights become dimmer while driving, or your battery repeatedly runs down. Check the link for procedure,
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your Alternator
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How to Change an Alternator: Video Series check related link below
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I would check your alternator*(check the spelling).
Would the check engine light go on when the alternator is going bad?
It could.
How do you know if an alternator is bad?
Check voltage with a voltmeter at the battery With engine running readings should be 13.8-14.2 With engine running hold a screw driver to the back of the alternator, if there is no magnetic field, the alternator is bad.
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check the battery with voltmeter without the engine running then check with it running if voltage is higher it is working
Will check engine soon light some on if there is a problem with the alternator?
It could.It could.
