Q: Does the fuel pump ground to the pcm on a 2002 grand Prix.

If this was my car I would not drive it till it was fixed and would not recommend you do either. I checked into this problem and there are other owners with same or very similar complaints as you. There...

If the Vehicle Dynamic Control (VDC) OFF indicator light is illuminated on the dashboard, this is an indication that the stability control system is not engaged. The term Vehicle Dynamic Control is one that is used on Nissan vehicles, and...

Sometimes when the water has been drained out of the engine it will take a while to get the air trapped out of the system. You will need to do the following things. First, I would take the upper radiator...

The clutch hydraulic system would have to be checked first, to make sure it is moving the clutch pressure plate. If it is working properly, then your clutch pressure plate has a problem, and the transmission would need to come...

The Check Engine Light going on and off is most likely caused by an engine misfire. The intake manifold could be leaking vacuum when it is cold, and sealing up when the vehicle warms up. The engine running poorly can...

Hello. If the vehicle will not do anything at all, then I usually start by having the battery load-tested (https://www.yourmechanic.com/article/how-to-check-a-car-battery). If the battery has failed (https://www.yourmechanic.com/services/battery-replacement) or shorted internally, then it will not even accept a jump start. This needs...

Hey there, thanks for writing in to YourMechanic. There are many things this may be, ranging from front differential problems to an out of balance tire to bad wheel bearings (https://www.yourmechanic.com/services/wheel-bearings-replacement). For an issue like this I would recommend having...

Hi there. From the description you have provided, your vehicle's loss in MPG (miles per gallon) has continually fallen over the last 10,000 miles. This could be caused by several things. It could be, the air filter is dirty and...

Your car has an electronically controlled transmission which shares sensors with the other systems on your car. The controller has detected a fault somewhere and is compensating for the problem by altering its shifting program. The problem could be internal...