Backfire when going to idle RPM
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Junior Member
Joined: Oct 2006
Posts: 45
Likes: 0
From: North Carolina
Car: 1987 IROC-Z
Engine: 5.7 TPI
Transmission: 700r4
Backfire when going to idle RPM
Hey guys.
I just had a problem with my IAC today. I pulled it out and sprayed it down with Throttle Body cleaner. It got the car running, but now when I have the car revved to anywhere over 1,500 RPM and take my foot off the gas, I get a couple of quick little backfires out my exhaust. Could this problem be related to the IAC? Any ideas how to fix it?
I just had a problem with my IAC today. I pulled it out and sprayed it down with Throttle Body cleaner. It got the car running, but now when I have the car revved to anywhere over 1,500 RPM and take my foot off the gas, I get a couple of quick little backfires out my exhaust. Could this problem be related to the IAC? Any ideas how to fix it?
Supreme Member
Joined: Jul 1999
Posts: 2,149
Likes: 4
From: Mims, Florida
Car: '87 IROCZ
Engine: 395 ZZ4
Transmission: ProBuilt 700R4
Axle/Gears: 9 bolt 3.70s
I dont think tha you can just pull the IAC out, I believe that there is a specific procedure on this. Also, what is your static timing? Sounds like a complete tuneup is needed.
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