Question about 2000 Chevrolet 2500
A scan tool is necessary to check the TPS voltage so if tool not available have a local shop or dealer perform this. Otherwise a check engine light may be induced from the mis-adjusted TPS sensor. There is the old school way to check and your going to need a multi meter. Disconnect the wire harness from the TPS and use the multi meter to test the resistance on the TPS, as you turn the throttle up the resistance should go up as a contain value in a smooth readings without any jumps. Good luck and hope this helps, keep me posted be glad to help and why do you think there is a TPS malfunction?
Posted on Jun 29, 2009
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Posted on Jan 02, 2017
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TPS not mounted securely.
TPS circuit short to ground or another wire.
Damaged computer (PCM).
to fix this code you can try this:
Carefully check the throttle position sensor (TPS), wiring connector, and wiring for breaks, etc. Repair or replace as necessary
Check the voltage at the TPS (refer to a service manual for your vehicle for specific information). If the voltage is too low that is indicative of a problem. Replace if necessary.
If recently replaced the TPS may need to be adjusted. On some vehicles the installation instructions call for the TPS to be properly aligned or adjusted, consult a repair manual for specifics.
If there are no symptoms at all, the problem may be intermittent and clearing the code may resolve the issue temporarily. If this is the case then you should definitely check the wiring to be sure it's not rubbing on anything, grounding, etc. The code may come back.
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