Pontiac Grand Prix: Shaking When Accelerating → Diagnosis

One of the more common issues that can occur is a vehicle that shakes when accelerating.  If your Pontiac Grand Prix is shaking when accelerating, it’s something that should not be ignored.  While the vibration can be annoying, it is often indicative of a serious problem.   Speed Matters Vehicle speed matters when you feel … Read more

Pontiac Grand Prix:  Lifter Ticking Diagnosis

One of the most annoying things that you can coming from under the hood of your Pontiac Grand Prix is a ticking lifter.  The ticking noise makes it sound like the engine is going to give up the ghost at any time.  There are a few things that can cause a lifter to tick, such … Read more

Pontiac Grand Prix: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Pontiac Grand Prix.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same … Read more

Pontiac Grand Prix:  Clutch Slipping → Diagnosis

Your Pontiac Grand Prix’s clutch provides a direct connection between the engine and transmission.  Without it, it can’t move at all. This connection requires a tremendous amount of pressure.  This guide is intended to help you determine why your clutch is slipping on the flywheel. Note:  This article is for manual cars only.  Here’s the … Read more

Pontiac Grand Prix Shifting Hard: Causes + Diagnosis

One of the most common automatic transmission problems is shifting hard.  If your Pontiac Grand Prix has a hard shifting transmission, it can be uncomfortable to drive and a sign of serious problems. If your car’s transmission is shifting hard, it can cause a harsh ride and lead to potential damage over time. Numerous factors … Read more