pressure

I bought an 05 tahoe Lt w 200k miles v8 5.3. Had it 3 weeks now n getting low oil pressure read out. When I start it, if the engine is not already warm, I get alarm so I have to gas it to keep pressure. Once vehicle is warm it doesn't have issue but hovers just below or at 40. I'm almost...

My 2005 Tahoe which has never given me a bit a problems doesn't want to shift from 2-3. If you pump or feather the accelerator it will shift and then drive fine. It has a 120K miles, fluid is clean not burnt and it has no DTC codes. I dropped the pan and checked the shift solenoids. they both...

Hi, I am new to the forum , and have a bit of a problem on my hands, any suggestions would be great. I have a 1998 GMC Yukon 4x4, 225,000 miles. I was headed back from a trip and noticed the oil pressure was kind of high (65 psi) and my engine temp was higher than normal (200 degrees). So I...