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Rough idle seems random !?

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Old Jul 8, 2024 | 01:12 AM
  #1  
Camaro1992RS's Avatar
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From: TX
Car: 1991 Camaro
Engine: 3.1L
Rough idle seems random !?

My 92 RS had seemingly idled high one day then just seemed to do so after, I did have a leaking radiator which I replaced today put it into reverse to back up and test drive then the car stalled, died, then Idled lower like normal. It has been running high for maybe a month+. I also changed the spark plugs with the radiator. Is this black magic and has nothing to do with the work I did ?

Also kinda off track would y’all recommend me reading the third gen Camaro Haynes Manuel ?! I bought it and kinda enjoy reading it and am very green so I figured there’s no harm huh ?
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Old Jul 8, 2024 | 10:26 AM
  #2  
midias's Avatar
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Rough idle seems random !?

Are all your plug wires on the correct plug and fully seated? Any codes?

You could try cleaning your throttle body and IAC it might be sticking
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Old Apr 23, 2025 | 12:59 AM
  #3  
Camaro1992RS's Avatar
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From: TX
Car: 1991 Camaro
Engine: 3.1L
Re: Rough idle seems random !?

Originally Posted by midias
Are all your plug wires on the correct plug and fully seated? Any codes?

You could try cleaning your throttle body and IAC it might be sticking
yes! I actually had a 43 and 33 code I replaced both sensors and I think it all went away I was borrowing an obd1 computer thing from my fathers friend so I wasn’t able to read it again after, BUT I was then able to hone in the distributer, which fixed my idle issue! I believe my faulty knock sensor was throwing everything off (code 43) thank you for suggesting that a while ago!
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