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Old 12-02-2005, 09:37 AM
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Mac626 Mac626 is offline
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Throttle Postion Sensor

I've been having trouble with my 94/2.3L/5SP lately. The CEL is on and it runs rough and idles rough. Under acceleration it misses really bad until it gets warm, then it doesn't miss quite so much. Once it's warm if I floor or just depress the pedal slightly, the engine smooths out. Anything in between seems to make the missing and rough running worse. I pulled the codes and got 111 (ok) and the extended ones were 121 and 124.

Does this sound like it might be the kind of behavior caused by a bad throttle position sensor? Or are the TPS error codes more likely just a symptom of another problem? I checked the TPS with a multi-meter and the transistion seems pretty smooth, but you can never be sure about these damned sensors.
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