I had a major problem with my TPS...car was trying to go when I was at a light . Needless to say, I replaced it and adjusted it properly per instructions on this site. However, under WOT I am getting an engine light after RPMs hit 3500 (or around there) and it stays on for about 3-5 seconds after I drop the WOT. I am getting and ECM code telling me I am running to high of voltage yet I am sure I am set right. Time for a new ECM? Short in the system somewhere? TIA

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Rob Hamilton
Chicago IL
AIMrkside0fthemoon
85' Trans Am
Stock as hell...looking to change that
VIN#1G2FW87F6FL623877

 

Try to reset the ECM. Then check what voltage range the TPS is operating in, If I remeber correct it should be 0,54-4,2 volts. correct me if I'm wrong..

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GTA -89:Free flow muffler,dual 3" HF cats, Edelbrock headers, Vette heads, 1.52 RR 7/16, ZZ-9 cam, Big Mouth, AS&M LTR, !plenum, 52 TB, MSD 6AL, TPIS level V prom, Superior shift-kit and all the minor mods, a Canfield headed 383 in the works!! ready May 2001...ok..june...july..and with Accel DFI....looking for SR or miniram....
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)