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Why did my check engine light come on after changing my battery in my 2005 ford mustang?
Wiki User
∙ 14y ago
Usally that means the battery has been disconnected within the last 10 starts
Wiki User
∙ 14y ago
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Mustang check engine light 0442 - How do I get rid of it?
Unplug the battery for like 45 secs.
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check battery, terminals, alternator
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disconnect the battery for ten minutes
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check out the spark plug
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With a scan tool or by unhooking the battery. If the cause is not repaired, the light will come back on. See related questions for more info.
Why Check engine light blinks in 03 mustang gt?
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Why is a car not starting but the battery works?
Double check that the battery works, then check if the engine works.
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Your 2002 mustang gt stays revved up?
the tps switch may be faulty. Had the same problem and changing the throttle positioner sensor solved the problem. The check engine light never came on.
