Question about Cars & Trucks
Check first ur oil level and oil filter and oil flow if good next ur oil pressure switch next ur oil pump need to tap pressure gage where oil pressure switch is to see if pump is working properly at idle and need to check cylinder pressure to be close to equal also crank and cam bearing is a possibility for sound detection. Good Luck
Posted on Dec 21, 2016
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Posted on Jan 02, 2017
Ok not to keen on newer vehicles actually prefer the carburated ones, but oil pressure is supposed increase on your gauge when accelerating. If it wasn't going up before and just staying at 40 the needle might have been stuck. But idle should be 40 lbs and when you work the moter (reving or driving down the road) the guage should show an increase for every 1000 rpm above idle. Second if you can get a hand held scanner (bought mine off ebay for $30) check for any codes in your computer you will probably find that you either have a bank running wrong or some other sensor that needs to be changed. I'd go with getting my own scanner it saves alot of money and time, garages make their money here.
Posted on Jan 03, 2009
DOES IT HAVE A LOT OF MILES ON IT OR MAY BE THE OIL PUMP IS IS GOING OUT? THERE IS A SPRING IN THE PUMP THAT IS A BYPASS FOR HOW HIGH PSI IT MAY HAVE BROKE THAT WILL GIVE YOU LOW PSI.
Posted on Jan 18, 2009
1992 silverado pickup has a problem with the oil pressure Gage on the dash board fluctuate when i put break on or accelerate the gas
Posted on Feb 14, 2009
The pickup tube is a bad design in these engines, I have fixed several with the same problem, you can weld on a GM screen move it 1/4 of a inch away from the pan or add 1 inch to the bottom of the pan, (use a high volume pump) the problem is the screen is too close and too small and will pick up any sludge off the bottom. also it's great to make a access plate on the bottom of the pan using a Volkswagen Bug oil cover plate, it can be removed with bolts after a oil drain to clean the screen without the hassle of removing the whole oil pan by lifting the engine on these trucks. Good Luck
Posted on Feb 20, 2009
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