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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.
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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.
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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.
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