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P1120 Diagnostic Trouble Code Discussion for July 2007

TP Sensor 1 Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1120
Help Request Posted
1998 Chevrolet Corvette 5.7L MIL Lamp on, Loss of Power Light VIN: 1G1YY22G0W
P1120: TP Sensor 1 Circuit Malfunction. This car runs great! Allegedly has 560hp, until the Loss of Power message and MIL come on, then its all over. Customer says it ran great for 1 1/2 years after superchager was installed. I have had it come on for me at start up and on decel after several good r...
July 23, 2007