wont idle by itsself
Thread Starter
Junior Member
Joined: May 2008
Posts: 29
Likes: 0
From: fort worth tx
Car: 1988 pontiac trans am
Engine: 305 tpi
Transmission: 700r4
Axle/Gears: factory
wont idle by itsself
i have a 88 ta 305 tpi and it wont idle by its self....i cleaned my iac and i think it is my tps...no codes...it runs great when u keep ur foot on the gas.....helllllp!!!!! please!!!!
thanks
thanks
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iTrader: (1)
Joined: Aug 1999
Posts: 2,842
Likes: 6
From: Rowlett, TX
Car: 1988 GTA
Engine: 5.0 TPI
Transmission: T5
Axle/Gears: 9 Bolt, 3.45
Re: wont idle by itsself
First, adjust the IAC and TPS properly, using this process (takes like 20 minutes):
https://www.thirdgen.org/tpimod2
That fixed my idle problems, and most likely is the culprit. The TPS is easy to check, you'll need a digital multi-meter though. You can pick one up for as little as $10 from RadioShack, Fry's, etc. Mine is a $10 cheapo digital one from Fry's, and it works great.
https://www.thirdgen.org/tpimod2
That fixed my idle problems, and most likely is the culprit. The TPS is easy to check, you'll need a digital multi-meter though. You can pick one up for as little as $10 from RadioShack, Fry's, etc. Mine is a $10 cheapo digital one from Fry's, and it works great.
Thread Starter
Junior Member
Joined: May 2008
Posts: 29
Likes: 0
From: fort worth tx
Car: 1988 pontiac trans am
Engine: 305 tpi
Transmission: 700r4
Axle/Gears: factory
Re: wont idle by itsself
its not that it was my iac motor not responding...new one and it cured it
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