Okay, maybe I'll get some answers here! I have a 94 GT 5spd. Which computer reads the tps? The pcm or ecu? The OBD is not working either, but the car still is still driven daily, just kind of sputters sometimes-the usual tps kind of problems. (I've replaced the tps and the mas sensors)(problem still exists) Any clues?
Check all vacuum lines with the spay bottle and soap method. Make sure you cleared out the computer with a scan tool, just disconnecting the battery doesn't clear it completely. With the high mileage when was the last time the throttle body was cleaned out. If this fails to fix the problem bringing it to a local shop might be the cheapest way to find the issue with out throwing parts at it blindly. I had a similar problem with my 98 GT
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