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What can be wrong with a 87 Trans Am TPI 305 that dies shortly after start up?

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Answered 2009-05-08 14:43:23

Check the throttle position sensor. It tells the computer what the position of the throttle is. If it's loose it can cause a problem. If not loose, measure the resistance across the mid-upper pins and then the mid-lower pin. Exercise the throttle during each measurement. Not sure what you should see for a reading off the top of my head, but it will change if the sensor is working. TPS can also cause idle to raise and lower before finally shutting down the engine. Don't know if you see those symptoms or not. or try the fuel pump and or map sensor. i had the same problem on my 93 ta. it worked

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