U1400 Diagnostic Trouble Code Discussion for January 2006
Implausible Throttle Position Sensor Signal Received
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| Help Request | Posted | |
| 1999 Ford F-250 Super Duty Lariat 5.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1FTNF21L3X U1400: see service manual. after replaceing the motor in this truck we began having trouble with reocurring trouble codes for egr flow insufficient and egr flow excessice aswell as random missfire and the "u" codes. we replaced the entire egre system from manifold up, new plugs ... |
January 19, 2006 |
