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I have a 2000 Saturn that is reading a code of DTC P1511 Throttle Control System - Backup System Performance. Im trying to troubleshoot the problem but I dont understand the complete meaning of this particular code. If any can help, your assistance would be greatly appriecated.

Thanks


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Code P1511 is a problem with the Throttle Position sensor (TPS).
Have seen it a few times.
There was a GM service bulletin for this code a few years ago. Said to replce the throttle body. You may be able to find just the sensor in the aftermarket by now.
First i would try a throttle bore and plate cleaning, then clear the codes. Carbon buildup in the throttle can give TPS codes, and idle problems.


   
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