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P1220 Diagnostic Trouble Code Discussion for January 2008

TP Sensor 2 Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1220
Help Request Posted
2002 GMC Envoy SLE 4.2L No Start, MIL Lamp on VIN: 1GKDT113SX
P1220: TP Sensor 2 Circuit Malfunction. ... power light came on then vehicle died in flight.10 codes in vehicle memory on initial check out, cleared codes and p1220 reoccured instantly.followed flow chart and replaced throttle bore assy. code reoccured again tested further and flow chart specified r...
January 07, 2008