Question about 2008 Chevrolet Trailblazer
Engine oil pressure drops down to 10psi after engine runs for 30 mins
Are you idling or is it doing 10 PSI driving it? If it has many miles on it it could be just getting worn out and that would be low oil pressure at idle when hot.
Posted on May 09, 2014
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
First have your oil level checked and make sure that it is at the right level. If not that's your problem, if your level is good you may have a bad oil pressure switch. This can be checked by using a oil pressure guage. If switch is bad replace and solve the problem. However if your vehicle has alot of wear and tear on he engine and you were using 20w-50 oil and it was replaced with 5w-30 that oil may be too "light" for the vehicle and you would get a low oil pressure reading. Good Luck
Posted on Dec 15, 2008
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
your oil sensor comes on at less than ten psi, you may have internal engine damage how many miles on engine, any gum up inside engine, you can try to put on a high pressure high volume melling oil pump to try to help for the time being, but you may need to have it torn and repaired.
Posted on Aug 03, 2009
I assume from the year it has high mileage. With mileage comes wear in these engine's bearings allowing oil pressure to drop because of the excess clearance between cam and bearings, also the crank and bearings. When the engine is hot and idling the oil is thinner and goes by the bearings quicker. If you have good oil pressure while driving, I'd leave it alone, maybe use a thicker oil or some lucas additive. My 89 does the same thing sometimes in the summer, but don't remember it doing it this summer. I use Mobil-1 and an AC Delco filter.
Posted on Oct 17, 2009
Testimonial: "Thank you the answer was quick and to the point "
Tips for a great answer:
Jan 02, 2017 | Cars & Trucks
Apr 04, 2014 | 1998 Buick LeSabre
Feb 18, 2014 | Cars & Trucks
Feb 11, 2013 | Cars & Trucks
Jan 27, 2013 | 2004 Chrysler PT Cruiser
Jul 21, 2012 | 1999 Jeep Grand Cherokee
Jan 31, 2011 | Ford Crown Victoria Cars & Trucks
If your oil pressure gets to low it can turn off the fuel pump. This may also have saved your engine. The ECM turns on the fuel thru the fuel pump relay for about 5 seconds. When engine is running oil pressure sender supplies the voltage to the pump. When engine shuts off check oil pressure and voltage to fuel pump.
Jun 19, 2010 | 1996 Chevrolet Cavalier
Nov 25, 2009 | 1999 Buick Regal
Jul 03, 2009 | 1999 Plymouth Grand Voyager
Oct 04, 2016 | 2008 Chevrolet Trailblazer
114 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: