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P1120 - Throttle Position Sensor Out Of Range

Possible causes
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
- Throttle position sensor not properly adjusted
What does this mean? What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- No throttle response
P1120 Description

The Throttle Position Sensor (TPS) responds to the accelerator pedal movement. The TPS is a rotary potentiometer sensor that provides a signal to the Powertrain Control Module (PCM) that is linearly proportional to the throttle plate/shaft position. As the TPS is rotated by the throttle shaft, the following operating conditions are determined by the PCM:

• Closed throttle (includes idle or deceleration)

• Part throttle (includes cruise or moderate acceleration)

• Wide open throttle (includes maximum acceleration or de-choke on crank)

• Throttle angle rate

P1120 Information for specific makes
P1120 AUDI HO2S Sensor Heater Circuit Open Bank 2 Sensor 1
P1120 BMW Pedal Position Sensor Circuit
P1120 BUICK Throttle Position Sensor 1 Circuit
P1120 CADILLAC Throttle Position Sensor 1 Circuit
P1120 CHEVROLET Throttle Position Sensor 1 Circuit
P1120 FORD Throttle Position Sensor Out of Range
P1120 GMC Throttle Position Sensor 1 Circuit
P1120 HYUNDAI Throttle Position Sensor 1 Circuit
P1120 INFINITI Secondary Throttle Position Sensor
P1120 LAND-ROVER Accelerator Pedal Position Sensor Implausible Signals
P1120 LEXUS Accelerator Pedal Position Sensor Circuit Malfunction
P1120 LEXUS-2 Coolant Flow Control Valve Position Sensor Circuit
P1120 LINCOLN Throttle Position Sensor Out of Range
P1120 MAZDA Throttle Position Sensor Out Of Range
P1120 MERCURY Throttle Position Sensor Out of Range
P1120 NISSAN Secondary Throttle Position Sensor
P1120 PONTIAC Throttle Position Sensor 1 Circuit
P1120 SATURN Throttle Position Sensor 1 Circuit
P1120 SUBARU Throttle Position Sensor Out Of Range
P1120 TOYOTA Accelerator Pedal Position Sensor Circuit Malfunction
P1120 TOYOTA-2 Coolant Flow Control Valve Position Sensor Circuit
P1120 VOLKSWAGEN HO2S Sensor Heater Circuit Open Bank 2 Sensor 1
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