Question about 1999 Ford Explorer
P1121-Throttle Position Sensor Inconsistent with MAF Sensor.
Air leak between MAF and Throttle Body (Ducting)
Don't throw parts at it. The code doesn't tell you what to do or change.
Look for the easy stuff and learn how to uses a volt meter on the TPS
Posted on Sep 01, 2010
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Posted on Jan 02, 2017
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Trouble Code: P0122
Are you sure on p1121 or was it po121 because there is no p1121?
Throttle Position Sensor 'A' Circuit Low Input
TP sensor signal circuit is shorted to ground TP sensor VREF circuit is open or shorted to ground
Trouble Code: P0700
TCU Request For MIL -ON-
poor connection TCM
Trouble Code: P0121
Throttle Position Sensor Performance
MAF sensor or TP sensor ground circuit has high resistance MAF sensor has drifted out of calibration TP sensor has drifted out of calibration TP sensor is damaged or has failed PCM/ECMTP sensor is damaged or has failed PCM has failed
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