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P1221 Diagnostic Trouble Code Discussion for September 2005

TP Sensor 2 Signal Correlation

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Trouble Ticket Help Requests for DTC P1221
Help Request Posted
1998 Isuzu Rodeo LS 3.2L Excessive Emissions, MIL Lamp on VIN: 4S2DM58WXY
P1221: throttle position sensor 1-2 circuit performance. ... control computer recieved code p1220 throttle position sensor problem. found vehicle is drive by wire has dual throttle position sensor as well as accelerator position sensor originally replaced accelerator position sensor by error. since that time have re...
September 26, 2005