When shutting off engine, dash gauges go down as I would expect. 5 sec later they go back up. Something is not shutting off.

my wife has had to wait for about 5 minutes before restarting the car. 1st attempt nothing. 2nd attempt it turns right over. could this be starter or solenoid issue?

trans has slight slip when driving hard, but wen driving easy trans runs gr8t if i changed fluid what would the probability trans will go out 176,000 miles fleet van i believe it was well kept security van also does cover come of inside van to tune up richdawg69@comcast.net

same ? about tensioner you may need my name Rich richdawg69@comcast.net

tensioner pulley also what does a tuneup consist of to make truck run optimol

while van is driving rear end makes a sound as if it was a 4 x4 truck with big tires has been louder lately and now the white smoke?? Help

I just had my 2004 GMC Safari tuned up with new plugs & wires and it is now knocking during highway driving acceleration as well as sometimes during acceleration from a stop. What would cause this? Something not done properly by the mechanic tuning it? It didn't knock before it was tuned.