P1121 GMC Throttle Position Sensor Circuit Intermittent High Voltage

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 When is the code detected? When the Powertrain Control Module (PCM) senses

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P1121 CHEVROLET Throttle Position Sensor Circuit Intermittent High Voltage

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 When is the code detected? When the Powertrain Control Module (PCM) senses

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P1121 CADILLAC Throttle Position Sensor Circuit Intermittent High Voltage

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 When is the code detected? When the Powertrain Control Module (PCM) senses

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P1121 SATURN Throttle Position Sensor Circuit Intermittent High Voltage

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 When is the code detected? When the Powertrain Control Module (PCM) senses

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P1121 PONTIAC Throttle Position Sensor Circuit Intermittent High Voltage

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 When is the code detected? When the Powertrain Control Module (PCM) senses

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