2001 GMC Jimmy "oil pressure goes down" Questions

oil pressure drops to zero when engine starts then goes to 60,while driving after warm,pressure drops down 4.3 V6 vortec engine The 4.3 engine should have 20 to 30 psi at idle cold and around 50 to 60

...be supprised how much power from the engine it takes. You could also be loosing oil pressure. Check your oil level. When your engine drops low rpm, the oil pressure drops and shuts down the

oil pressure need goes up and down but the truck doesnt stall. My oil level is perfect! what should I do? The noise is loud and aggravatiing. Please Help. change oil.put oil treament in when changeing

my 2001 jimmy oil pressure gage kepps going up and down when i turn right it goes down and usally comes back up with aturn to left and pushing down on the gas Could be a loose wire on the sending unit

...oil pressure guage is about 120 at idle as you drive it goes upto just over 275. could this be spring in oil pump? and if so will changing the oil change it . it has 399,000 kilometers I was almost ...

...pressure an I am unable to drive. I don't know a lot about repairing vehicles but I would like some help on where to start troubleshooting the problem is in the brake master cylinder or brake system ...

...oil pressure is good when I start driving, but after awhile the oil pressure goes down. when I accelerate it goes up, but when at a stop light it goes back down oil pressure sending unit or engine ...

...oil pressure goes up when i push the gas pedal in my truck, the oil pressure gauge goes up and then when i let go of the gas pedal the oil pressure gauge goes down anyone k now what the problem is? ...

...oil pressure goes up and temp goes down but when i stop my oil pressure goes down and my temp goes up???...what could this be a valve cover leak is what i was thinkin... Valve cover leak (oil) will ...

...oil pressure. Pressure does change while driving, but should not wander. With mechanical gauge, check that running hot at idle (in gear if automatic) pressure should not drop lower than 15psi (I'd ...