I gotta tell you I'm getting a little pissed off here! I got these codes(33 and 34), so I figured it was time for a new MAF. I went to Advanced Auto and picked up a remanufactured Bosch MAF. I put it in and the car still stalls if it starts at all. I unplug the MAF, runs like a dream. What the hell? Anybody know what's going on?

 

Check
-TPS voltage
-MAF power relay
-Burn of relay

and the archives for this one.

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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 LTB, ported plenum, 52 TB, MSD 6AL, TPIS level V prom, Mod .MAF, Superior shift-kit and some minor mods. and more to come!
http://www.itv.se/tacs/members_cars/m279/m279.html (Swedish Trans Am Club)

 

Check your connections for corrosion too, especially the weatherpack to the MAF Sensor, it can get pretty bad.... Clean the contacts with a jeweler's file and some TV tuner cleaner or rubbing alcohol..... If that's the problem, at least you have a new spare MAF Sensor.

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Kevin Irving
85 Trans Am WS-6, 305 TPI, custom burned '86 PROM with '87 "165"ECM, Accel Supercoil & 8.8 Wires, MSD 6AL, Aluminum Driveshaft, TB Coolant Bypass, Ported Plenum, Modified MAF, Cyclone Fuel Pump, JET Airfoil

Veiw my car at: http://www.geocities.com/transam85tpi/TransAm.html