Quote:
Originally Posted by zingercustoms
Hey guys, need some help, 2006 GTO ls2....I have weird deal where the first time I start the motor the throttle body is unresponsive...the tps is working cause when I rev it up it does add fuel and rev slowly but the throttle body doesn't open besides by the vacuum created by the motor. if I shut off and start again the throttle body works right. if is sets a few minutes it does it all over again...I am afraid it might do this while driving, maybe it won't...the weird thing is I can turn the key to the on position before start and hit the pedal and hear the throttle body open and close but as soon as I start it, it stops responding. then shut it down and it works the next start.......
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need more info
Which throttle body do you have on there?
stock GM? (silver or gold blade)
aftermarket? (Fast, BBK, Edlebrock, Flea-Bay, etc)
Jeff