2003 Chevrolet Impala Support Question
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Question posted by vrandolph62 on July 17th, 2012
2003 Impala Low Engine Oil Level Warning Light But Dipstick Indicates Oil Is Ful
dipstick shows level as full, but warning light of low oil level lights up...could dust/dirt be the culprit?
Current Answers
Answer #1: Posted by tmaples on July 17th, 2012 6:17 PM
Sometimes dust/dirt or oil sludge can cause a false signal. One way to verify this is to ground the wire terminal and see if the light goes out. On most warning lights the sensor has a single wire lead. Has the engine oil been changed regularly? If not oil sludge build up could also cause a problem. Also some brands of motor oil have a paraffin base(wax) which would cause problems to sensors.Hope this helps.
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