Questions & Answers for: Pontiac Grand Prix knocking valve

...knocking sound. when i hit the gas to accelerate it becomes louder and when i let off to slow down the noise stops. when the car is in drive and at an idle speed it has hesitation or lose of power. ...

Problems with valves knocking Yes valves on my 1999 grand prix supercharger in knocking i want to know whats wrong do i need a motor or supercharger You can remove the belt from the super charger and ...

Recurring bent push rods/knocking engine- ideas? I've got a 1996 Olsmobile Ciera with a 3.1, well maintained. Engine began knocking, and a push rod was somehow bent, replaced it, and it ran fine. It ...

egr valve what does this do and will this cause engine knock it recirculates exhaust gas back into the motor... unlikly that it would generate engine knock

...raises the compression ratio to a point that the knock sensor can adjust the timing to keep it from knocking, this is a problem for GM cars but also for all cars that have to burn Alcohol or ethanol ...

i have a knocking sound under the hood its a 98 grand prix gt...i bought it from dealer two days ago and it was fine... Check your oil. Could be valve lifters knocking. Hopefully not the piston rods.

...valve lifer is failing/failed. the fact that it goes away when the car is warm, makes me lean towards a bad lifter. Normaly if a bearing is bad and knocking, the noise doesn't go away. The KNOCK ...

I got a 2000 pontiac grand prix gtp the car runs well but the boost level will not go more than 1/4 on the gauge, one mecanic said to change the spark plugs because they are 4 or 5 years old (iridim ...

...knocking noise while driving my car or backing out of the driveway. I hear it when I put my foot on the accelerator...Im really nervous because its the only car that my husband and I have...Its been ...

how to repair, (step by step), a broken valve spring on a 2001 Pontiac Grand Am 2.4L Engine How to repair, (step by step), a broken valve spring on a 2001 Pontiac Grand Am 2.4L Engine. Had an oil leak