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Discussion Starter #1
I did a search on testing the TPS. I followed a link that gave this info. "The spec range for Key On is from .88 to 1.0 volt; shoot for the .97 to .99 volt. With the engine running, the voltage should be no higher than 1.05 volts. " with key on/engine off I got a reading of 4.06 volts. If this is right......whats wrong?
 

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The only time it should read that high is when you have it almost floored. If it's giving you a reading of 4 volts with closed throttle, your sensor is probably bad. The specs of 0.88-1.0X volts is an acceptable range of closed throttle voltages.
-Rob
 

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Discussion Starter #3
Thanks Rob; I just now found a crack in the intake manifold, where the heater hose goes into it. Hopefully that will solve the problem of not running. most likely will replace the TPS at the same time.
 
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