P0121 Diagnostic Trouble Code Discussion for April 2009
Throttle Position Sensor Does Not Agree With MAP
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| Help Request | Posted | |
| 1998 Dodge Ram 2500 5.9L RPM races up VIN: 3B7KF2666W P0121: TPS voltage does not agree with MAP. 98 Dodge Diesel will start to idle up on its own without any throttle input. When it occurs, charging system is at 14 volts, at gauge, at battery and on scan tool BUT the ECM battery volts, on the scan tool, reads up to 22volts and climbs to 30 volts!! At that... |
April 16, 2009 | |
| 1998 Dodge Ram 2500 5.9L RPM races up VIN: 3B7KF2666W P0121: TPS voltage does not agree with MAP. 98 Dodge Diesel will start to idle up on its own without any throttle input. When it occurs, charging system is at 14 volts, at gauge, at battery and on scan tool BUT the ECM battery volts, on the scan tool, reads up to 22volts and climbs to 30 volts!! At that... |
April 21, 2009 |
