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P1680 Diagnostic Trouble Code Discussion for August 2007

Throttle Actuator Control System APP Sensor Malfunction

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Trouble Ticket Help Requests for DTC P1680
Help Request Posted
2004 GMC Envoy SLE 4.2L MIL Lamp on VIN: 1GKES12S94
P1680: Throttle Actuator Control System APP Sensor Malfunction. hello techs,thanks in advance for taking your time! i have this 04 envoy 4.2 l6,has misfire at idle. does not misfire at higher rpm. customer came from dealer and dealer said cylinder head has to be replaced due to bad valve spring on number 5. i have done som...
August 23, 2007