P1121 LINCOLN - Throttle Position Sensor Inconsistent with Mass Air Flow Sensor
P1121 LINCOLN Possible Causes
- Air leak between Mass Air Flow sensor and throttle body
- Faulty Throttle Position Sensor
- Throttle Position Sensor harness is open or shorted
- Throttle Position Sensor circuit poor electrical connection
- Damaged Mass Air Flow sensor
First diagnose P1121 LINCOLN code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P1121 LINCOLN code
Labor: 1.0The cost of diagnosing the P1121 LINCOLN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the P1121 LINCOLN code detected?Sensor signal output not consistent with engine load measurement
P1121 LINCOLN Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1121 Lincoln DescriptionThe Powertrain Control Module (PCM) monitors a vehicle operation rationality check by comparing sensed throttle position to mass air flow readings. If during key ON engine running self-test the comparison of the TP sensor and MAF sensor readings are not consistent with calibrated load values, the test fails and a diagnostic trouble code is stored in continuous memory.
P1121 LINCOLN More InformationNeed more information on how to fix the P1121 LINCOLN code?
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