P0237 ISUZU Turbocharger Boost Sensor Circuit Low Voltage

Possible causes – Boost pressure sensor harness is open or shorted– Boost pressure sensor circuit poor electrical connection– Faulty boost pressure sensor– Faulty Turbo/Super Charger– Engine over temperature– Ignition misfire exceeds the calibrated threshold– Faulty Knock sensor (KS) When is

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P0238 ISUZU Turbocharger Boost Sensor Circuit High Voltage

Possible causes – Boost pressure sensor harness is open or shorted– Boost pressure sensor circuit poor electrical connection– Faulty boost pressure sensor– Faulty Turbo/Super Charger– Engine over temperature– Ignition misfire exceeds the calibrated threshold– Faulty Knock sensor (KS) Symptoms –

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P0014 ISUZU Camshaft Phase Angle Error

Possible causes – Dirty Oil– Low engine oil level– Variable Camshaft Timing harness open or shorted– Variable Camshaft Timing circuit poor electrical connection– Failed Camshaft Actuator Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0406 ISUZU Exhaust Gas Recirculation Position Sensor Circuit High Voltage

Possible causes – EGR Valve clogged, dirty or leaky– EGR valve damaged/defective– EGR volume control solenoid valve– EGR temperature sensor and circuit– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical

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