Question about 2002 Ford Ranger Regular Cab
Lights dim and battery voltage gauage goes down when climbing a hill and the engine is around 3000 rpm
Posted by Anonymous on
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Posted on Jan 02, 2017
Possible loose or worn alternator belt. Check the condition of the belt. If it's worn, replace it. If it's just loose, tighten it up.
Posted on Jan 24, 2009
Your vehicle's computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem. There are test that will need to be done depending on what codes are present to determine the proper repair.
Posted on Jan 28, 2009
SOURCE: battery voltage/rough idle
One thing that you may want to try is go back to the auto parts store and rev the engine up to your normal RPM when your driving around 60mph. I work at an auto parts store and I have tested alternators that have tested fine, then we revved the engine and then the alternator failed the load test. But I would say that your alternator is bad just from what I hear.
Posted on Feb 02, 2009
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