P1121 Diagnostic Trouble Code Discussion for January 2005
Electronic Throttle Control Actuator Malfunction
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| Help Request | Posted | |
| 1999 Ford Contour SE 2.5L MIL Lamp on, humming VIN: 1FAFP66L8X P1121: TP Sensor inconsistant with MAP sensor. When reving the engine it begins to hum like a pump running very loudly. It sounds like a loud commercial grade driveway vacuum cleaner. We have determined that the noise is coming from within the air cleaner. Removed the air cleaner cover and the noise is com... |
January 18, 2005 | |
| 1999 Mercury Mystique GS 2.5L Stall, MIL Lamp on P1121: TPS inconsistent with MAF sensor. ... the air filter box will vibrate and cause a loud howl noise. Also, at the same time the engine will stall and will restart fine. Will set code P1121, TPS inconsistent with MAF, I assume that the severe vibration in the air filter box is causing the MAF sig... |
January 28, 2005 |
