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Re: Whys is my oil pressure not changing,when everything...
You need to have the oil pressure checked with a manual oil pressure gauge you may have a bad sending unit. If the you oil pressure is the same with the manual gauge then you have a oil pressure problem.
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Have you changed the oil filter? Change the oil and filter.(USE the AC Delco filter and the 10W - 30 oil..(Wal-Mart oil is fine - it's made by a major refinery - HINT- Walmart does not own a refinery!!!) They buy the oil, have it put in their marked containers and sell it cheaper then others) I ONLY use Wal-Mart oil in everything!!..you might try a pint of Lucas oil treatment..
See if the new filter helps.. sometimes they are defective and block oil flow and the pressure makes it flow..
try to reset the computer by cycleing the key on an off 3 times, if this light continues to come on check the oil level could have simply not added enough oil
I had the same problem and ended up changing the oil pump and it did not fix it. (Peace of mind anyway and it was cheap) I replaced the pressure sensor (that happens to be tucked in deep between the back of the engine and firewall) and the pressure gauge worked just fine after that.
Change the oil! The 318Cu in V8 (5.2 liter) engine has a problem with sludge build up on the oil pump pickup tube screen. This engine requires oil changes at or before 3500 miles with a high detergent oil.
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