P0121
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Location: Sheboygan Wisconsin
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P0121
P0121
Description
TP SENSOR SYSTEM PERFORMANCE
Throttle Position (TP) sensor measures amount of throttle
opening. PCM uses TP sensor information for fuel delivery
calculations. TP sensor readings during acceleration are much higher
than those during deceleration or idle.
Symptoms
Description
TP SENSOR SYSTEM PERFORMANCE
Throttle Position (TP) sensor measures amount of throttle
opening. PCM uses TP sensor information for fuel delivery
calculations. TP sensor readings during acceleration are much higher
than those during deceleration or idle.
- SES, Service Engine Soon light
- Intermittent stumble on acceleration or deceleration
- Blows black smoke on acceleration
- No start
- Defective TPS
- Short in the TPS wiring.
- Bad connection at the TPS
- Water or corrosion in connector or sensor
The following users liked this post:
mikicichb (12-30-2013)
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