Join Now
International Automotive Technicians Network

P0120 Diagnostic Trouble Code Discussion for February 2012

Throttle Position Sensor Circuit Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0120
Help Request Posted
2003 Chevrolet Tahoe LT 5.3L Stall, MIL Lamp on, Loss of power VIN: 1GNEC13Z83
P0120: TP Sensor 1 Performance. Vehicle came in with a loss of power complaint, customer said after a short drive ,3-5 miles , ses lite would come on and dash would say reduced power. Could turn off ignition and restart, it would be ok agin for a few more miles. We scanned ecm and found only...
February 22, 2012
2003 Chevrolet Tahoe LT 5.3L Stall, MIL Lamp on, Loss of power VIN: 1GNEC13Z83
P0120: TP Sensor 1 Performance. Vehicle came in with a loss of power complaint, customer said after a short drive ,3-5 miles , ses lite would come on and dash would say reduced power. Could turn off ignition and restart, it would be ok agin for a few more miles. We scanned ecm and found only...
February 22, 2012