P0121 Diagnostic Trouble Code Discussion for March 2010
Throttle Position Sensor Does Not Agree With MAP
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| Help Request | Posted | |
| 2005 Mercury Mountaineer 4.0L No Start, Poor Idle Quality, MIL Lamp on VIN: 4M2ZU86K15 P0121: tp a. This vehicle was towed in for no start. It is drive by wire. Customer stated he stopped at his son's house for about a half hour. Came out & truck was a crank no start. Cycled key a few times & truck started but displayed "fail Safe". Customer ... |
March 29, 2010 |
