Engine light on
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Junior Member
Joined: Jan 2010
Posts: 26
Likes: 0
From: Tacoma,wa
Car: 86 transam,700r4,4 wheel disc,possi
Engine: 305 tpi/stock for now
Axle/Gears: not sure
Engine light on
okay this is pissing me off!! replaced iac because it was bad. still light on, replaced 02 sensor light still on. car runs good no hesitation,plug in scanner no codes where found but light still on.
any ideas? car runs and drives good thats whats confusing me lol.
any ideas? car runs and drives good thats whats confusing me lol.
Senior Member
Joined: Dec 2009
Posts: 850
Likes: 8
From: Chilliwack BC
Car: White 1987 IROC-Z
Engine: 305 TPI LB9, 215 HP
Transmission: Borg-Warner T5 NWC
Axle/Gears: Borg-Warner 7.75 with 3.27 ratio
Re: Engine light on
Did you remove battery power to the ECM for 30 seconds? This will clear any codes, and it will also "reset" the ECM, the ECM will "re-learn" over the next 50 miles or so!! This should also turn off the SES light!!
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