EST module bad?
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Joined: Aug 2005
Posts: 439
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From: Round Rock
Car: 1989 Formula 350 LSX
Engine: 5.3, 234/228 cam
Transmission: Stage II 4L60e, Vigilante 3200
Axle/Gears: 3.42
EST module bad?
I have a 1988 formula 350 and i couldnt get the car to idle well, and would just die after a few seconds. I pulled the brown/white wire or the EST wire and it starts and runs fine now. My question is what are the consequences of running the car without it, i know it runs on static timing, so would that make the car lean out because of the inablility to change timing to suit the needs of the TPI? thanks
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Joined: Dec 2003
Posts: 402
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From: clearwater
Car: trans-am
Engine: tpi
this might help some
https://www.thirdgen.org/techbb2/sho...hreadid=311511
https://www.thirdgen.org/techbb2/sho...hreadid=311511
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