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All modern automotive alternators have an internal voltage regulator. If the regulator is faulty, it can cause an "over voltage" condition.
It is possible to open the alternator and replace the regulator; however, if the alternator already has a fair amount of mileage on it, I'd recommend that you just replace it.
What else can I help you with?
What causes the service emissions system light to come on Cadillac eldorado?
There are about 30 different sensors which monitor emission control systems components. It could be any one of them. Have a dealer run a diagnostic scan.
What causes a 1997 Cadillac Catera overheat?
Head Gasket to replace
What cause the service vehicle soon light to come on your 2004 gto?
The "Service Vehicle Soon" light on a 2004 GTO can be triggered by various issues, such as a malfunction with the vehicle's engine, transmission, or other critical systems. It often indicates that the onboard diagnostic system has detected a fault that requires attention. Common causes include problems with sensors, electrical systems, or fluid levels. It's advisable to check for error codes using a diagnostic scanner to pinpoint the exact issue.
What causes your car to turn when you do not turn it?
Probably out of alignment, take it to a shop to have an alignment diagnostic ran.
What causes fuel pressure to flucuate on a 2002 Cadillac escalade?
probably fuel pump.
What causes the engine overheat light to come on in a 1994 Cadillac eldorado?
The engine is overheating.
Engine light Suzuki grand vitara?
If the engine light on your Suzuki Grand Vitara is illuminated, it indicates that the onboard diagnostic system has detected a potential issue with the vehicle's engine or emissions system. Common causes can include a loose gas cap, faulty sensors, or more serious engine problems. It's advisable to check the gas cap first, as a loose or damaged cap can trigger the light. If the light remains on after securing the cap, or if the vehicle exhibits performance issues, it's best to have a mechanic perform a diagnostic check.
Service engine soon light on a 1998 dodge caravan?
The "Service Engine Soon" light on a 1998 Dodge Caravan typically indicates that the vehicle's onboard diagnostic system has detected an issue that needs attention. Common causes can include problems with the engine, emissions system, or other critical components. It's advisable to use an OBD-II scanner to retrieve diagnostic trouble codes, which can help pinpoint the issue. Addressing these codes promptly can prevent further damage and ensure the vehicle runs efficiently.
Engine light on 2005 chrysler 300?
If the engine light is on in a 2005 Chrysler 300, it indicates that the vehicle's onboard diagnostic system has detected a potential issue. Common causes could include problems with the emissions system, faulty sensors, or issues with the ignition or fuel system. It's advisable to check the vehicle's diagnostic trouble codes (DTCs) using an OBD-II scanner to identify the specific issue. Addressing the problem promptly can prevent further damage and ensure the vehicle runs efficiently.
What causes the fuel data center on a 1997 Cadillac DeVille to go crazy?
Could be the drivers.
What causes the low fuel light not to work on a 1999 eldorado Cadillac?
faulty dash unit
What causes a high pitch hum from the dash on a 2004 Cadillac deville?
A bad radio speaker
