P0403 MAZDA Exhaust Gas Recirculation Valve Stepper Motor Circuit Malfunction

Possible causes – Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the code detected? An improper

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P0405 CADILLAC Exhaust Gas Recirculation Position Sensor Circuit Low Voltage

Possible causes – Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the code detected? An improper

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P0405 BUICK Exhaust Gas Recirculation Position Sensor Circuit Low Voltage

Possible causes – Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the code detected? An improper

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P0405 CHEVROLET Exhaust Gas Recirculation Position Sensor Circuit Low Voltage

Possible causes – Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the code detected? An improper

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P0405 PONTIAC Exhaust Gas Recirculation Position Sensor Circuit Low Voltage

Possible causes – Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the code detected? An improper

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P0221 INFINITI Throttle/Petal Position Sensor Circuit Range/Performance Problem

Possible causes – Faulty Electric Throttle Control Actuator– Electric Throttle Control Actuator harness is open or shorted– Electric Throttle Control Actuator poor electrical connection When is the code detected? An excessively high voltage from the Throttle Position Sensor (TPS) is

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P0405 SATURN Exhaust Gas Recirculation Position Sensor Circuit Low Voltage

Possible causes – Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the code detected? An improper

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P0221 NISSAN Throttle/Petal Position Sensor Circuit Range/Performance Problem

Possible causes – Faulty Electric Throttle Control Actuator– Electric Throttle Control Actuator harness is open or shorted– Electric Throttle Control Actuator poor electrical connection When is the code detected? An excessively high voltage from the Throttle Position Sensor (TPS) is

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