Thread: Dtc P0121
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Old 12-02-2004, 10:34 PM
gbic1 gbic1 is offline
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Do you have access to a DVOM? if so you may check the operation of the tp sensor at the throttle body by back probing the connector. You will be looking for a voltage of less the one volt at idle to about 5 volts at wide open throttle. Please check this with key on engine OFF! good luck. ( or you could just replace the tp sensor as a best guess, not that expensive)
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