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Throtle Position Switch Testing- car surges to 2500rpm on start and stays 700

posted by  evolvoer on  Wed Nov 20 13:30 CST 2002
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Hi All,

I'm attempting to diagnose the cause of a high idle. Upon start up the engine surges to 2500-3000rpm, but does not drop even when the gas pedal is tapped.
Reading through the FAQ and archives, a cluprit seems like it could be the TPS. What is the best technique for testing the TPS to seem if it is faulty?

Thanks







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