Close
vss and po300
1999 Pontiac Grand Prix

Vss and po300

(1999 Pontiac Grand Prix)
my car is shifting at 4000 rpm's and not shifting on time could it be the vss or something else,im all ready dealing with a po300 random missfireing, i dont know if they have nething to do with each other but they started about the same time.
in Lucerne Valley, CA on June 02, 2010
Ask a Question
1 answer & 0 comments
Popular Answer
on June 03, 2010
Too much throttle pressure?check throttle cable adjustment,with wide open throttle, engine off! Check vaccuum modulator,or vaccuum line if equipped,eng to trans.
Faulty,or inopperative governor.Remove,check plastic drive gear.
Sign in to reply
General Diagnosis
$88 - $111 Learn More
on June 03, 2010
Too much throttle pressure?check throttle cable adjustment,with wide open throttle, engine off! Check vaccuum modulator,or vaccuum line if equipped,eng to trans.
Faulty,or inopperative governor.Remove,check plastic drive gear.
Sign in to reply

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
2002 pontiac grand prix. just purchased. it came on for a second n went from full tank down to the gas light being...
It just started not being able to stop unless all the way to the floor, it stops but not for long eventually it'll...