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Vss and po300

(1999 Pontiac Grand Prix)
in Lucerne Valley, CA on June 02, 2010
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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