Pontiac Grand Prix Dies After Starting Diagnosis

It can be very disconcerting if your Pontiac Grand Prix is starting and then dies.  It is most likely caused by some type of issue with the electrical or fuel system.  But, there can be other causes as well. Your Grand Prix’s engine needs 3 things constantly and in the proper proportion to keep running. … Read more

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