Scan Code
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DRB Scan Tool Display
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Description of Diagnostic Trouble Code
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P0100
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Mass or Volume Air Flow Circuit
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P0101
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Mass or Volume Air Flow Circuit Range/Performance Problem
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P0102
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Mass or Volume Air Flow Circuit Low Input
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P0103
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Mass or Volume Air Flow Circuit High Input
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P0104
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Mass or Volume Air Flow Circuit Intermittent
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P0105
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Manifold Absolute Pressure/Barometric Pressure Circuit
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P0106 (M)
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Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
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MAP sensor input voltage out of an acceptable range detected during reading of barometric pressure at key-on.
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P0107 (M)
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Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
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MAP sensor input below minimum acceptable voltage.
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P0108 (M)
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Manifold Absolute Pressure/Barometric Pressure Circuit High Input
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MAP sensor input above maximum acceptable voltage.
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P0109
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Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent
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P0110
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Intake Air Temp Sensor Stuck
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A rationality error has been detected for the intake air temperature sensor.
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P0111 (M)
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Intake Air Temperature Circuit Range/Performance Problem
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Air change less than 3° C in 200 miles.
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P0112 (M)
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Intake Air Temperature Circuit Low Input
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Intake air (charge) temperature sensor input below the minimum acceptable voltage.
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P0113 (M)
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Intake Air Temperature Circuit High Input
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Intake air (charge) temperature sensor input above the maximum acceptable voltage.
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P0114
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Intake Air Temperature Circuit Intermittent
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P0115
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Engine Coolant Temperature Circuit
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P0116
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Engine Coolant Temperature Circuit Range/Performance Problem
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A rationality error has been detected in the coolant temperature sensor.
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P0117 (M)
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Engine Coolant Temperature Circuit Low Input
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Engine coolant temperature sensor input below the minimum acceptable voltage.
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P0118 (M)
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Engine Coolant Temperature Circuit High Input
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Engine coolant temperature sensor input above the maximum acceptable voltage.
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P0119
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Engine Coolant Temperature Circuit Intermittent
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Engine coolant temperature sensor input above the maximum acceptable voltage.
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P0120
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Throttle/Pedal Position Sensor/Switch A Circuit
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Engine coolant temperature sensor input above the maximum acceptable voltage.
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P0121 (M)
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Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem
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TPS signal does not correlate to MAP sensor signal.
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P0121 (M)
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Accelerator Position Sensor (APPS)
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APPS voltage input below the minimum acceptable voltage.
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P0122 (M)
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Throttle/Pedal Position Sensor/Switch A Circuit Low Input
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Throttle position sensor input below the acceptable voltage range.
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P0122 (M)
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Accelerator Position Sensor (APPS) Signal Voltage Too Low
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APPS voltage input below the minimum acceptable voltage.
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P0123 (M)
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Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
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Throttle position sensor input above the maximum acceptable voltage. Follow all appropriate diagnostics for the fault that is present. Prior to replacing parts, check all connectors between the speed control switch and the PCM for moisture Internally the PCM uses the same A/D (analog to digital) converter for TPS voltage as it does for the speed control switch sense. If the v-37 circuit has voltage bleed over from another source, a code of TPS Shorted to voltage may be set in the PCM. The DN model equipped with rear heat option, has an external water pump to circulate coolant to the rear heater. If you find coolant in the bulkhead connector, the likely cause would be a leaking coolant pump. Pump should be replaced if found leaking. If the code sets when the A/C is turned on go right to the bulk head connector and check for moisture. Check for a shorted clock spring causing the speed control 5 volt feed to be shorted to power.
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P0123 (M)
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Accelerator Position Sensor (APPS) Signal Voltage Too High
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APPS voltage input above the maximum acceptable voltage.
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P0125 (M)
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Insufficient Coolant Temperature for Closed Loop Fuel Control
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Time to enter Closed Loop Operation (Fuel Control) is excessive.
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P0125 (M)
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Engine is Cold Too Long
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Engine does not reach operating temperature.
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P0126
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Insufficient Coolant Temperature for Stable Operation
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P0127
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Intake Air Temperature Too High
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P0128
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Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
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A rationality error has been detected for the thermostat.
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P0129
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Barometic Pressure Out-of-Range low
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MAP sensor input voltage out of an acceptable range detected during reading of barometric pressure.
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P0130
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O2 Sensor Circuit (Bank 1 Sensor 1)
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An open or shorted condition detected in the ASD or CNG shutoff relay control ckt.
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P0131 (M)
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O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
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Oxygen sensor input voltage maintained below normal operating range.
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P0132 (M)
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O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
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Oxygen sensor input voltage maintained above normal operating range.
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P0133 (M)
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O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
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Oxygen sensor response slower than minimum required switching frequency.
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P0134 (M)
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O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
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Neither rich or lean condition is detected from the oxygen sensor input.
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P0135 (M)
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O2 Sensor Heater Circuit (Bank 1 Sensor 1)
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Oxygen sensor heater element malfunction.
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P0136
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O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)
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An open or shorted condition detected in the ASD or CNG shutoff relay control ckt.
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P0137 (M)
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O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
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Oxygen sensor input voltage maintained below normal operating range.
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P0138 (M)
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O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
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Oxygen sensor input voltage maintained above normal operating range.
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P0139 (M)
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OS Sensor Circuit Slow Response (Bank 1 Sensor 2)
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Oxygen sensor response not as expected.
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P0140 (M)
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O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
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Neither rich or lean condition is detected from the oxygen sensor.
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P0141 (M)
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O2 Sensor Heater Circuit (Bank 1 Sensor 2)
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Oxygen sensor heater element malfunction. O2 sensor voltage greater than 3 volts for 60 to 240 seconds.
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P0142 (M)
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Sensor Circuit Malfunction (Bank 1 Sensor 3)
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Oxygen sensor heater element malfunction.
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P0143
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O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)
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Oxygen sensor input voltage maintained below normal operating range.
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P0144
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O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)
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Oxygen sensor input voltage maintained above normal operating range.
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P0145
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O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)
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Oxygen sensor response slower than minimum required switching frequency.
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P0146
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O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)
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Neither rich or lean condition is detected from the oxygen sensor.
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P0147
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O2 Sensor Heater Circuit (Bank 1 Sensor 3)
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Oxygen sensor heater element malfunction.
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P0148
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Fuel Delivery Error
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P0149
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Fuel Timing Error
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P0150
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O2 Sensor Circuit (Bank 2 Sensor 1)
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P0151 (M)
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O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)
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Oxygen sensor input voltage maintained below normal operating range.
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P0152 (M)
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O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
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Oxygen sensor input voltage sustained above normal operating range.
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P0153 (M)
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O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)
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Oxygen sensor response slower than minimum required switching frequency.
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P0154 (M)
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O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
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Neither rich or lean condition is detected from the oxygen sensor.
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P0155 (M)
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O2 Sensor Heater Circuit (Bank 2 Sensor 1)
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Oxygen sensor heater element malfunction.
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P0156 (M)
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O2 Sensor Circuit Malfunction (Bank 2 Sensor2)
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Oxygen sensor heater element malfunction.
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P0157 (M)
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O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
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Oxygen sensor input voltage maintained below normal operating range.
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P0158 (M)
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O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)
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Oxygen sensor input voltage maintained above normal operating range.
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P0159
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O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)
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Oxygen sensor response slower than minimum required switching frequency.
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P0160 (M)
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O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
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Neither rich or lean condition is detected from the oxygen sensor.
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P0161 (M)
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O2 Sensor Heater Circuit (Bank 2 Sensor 2)
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Oxygen sensor heater element malfunction. O2 sensor voltage greater than 3 volts for 60 to 240 seconds.
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P0162 (M)
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O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)
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Oxygen sensor heater element malfunction.
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P0163 (M)
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O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
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P0164 (M)
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O2 Sensor Circuit High Voltage (Bank 2 Sensor3)
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P0165
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O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)
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P0166
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O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
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P0167
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OS Sensor Heater Circuit (Bank 2 Sensor 3)
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P0168
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Fuel Temperature Too High
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P0169
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Incorrect Fuel Composition
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P0170
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Fuel Trim (Bank 1)
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P0171 (M)
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System too Lean (Bank 1)
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A lean air/fuel mixture has been indicated by an abnormally rich correction factor.
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P0172 (M)
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System too Rich (Bank 1)
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A rich air/fuel mixture has been indicated by an abnormally lean correction factor. Was the fuel pressure checked with a DRBIII pressure transducer? Is the fuel pressure within specification with engine running at normal operating temperature? Verify the correct DRBIII PEP module pressure transducer is being used It is critical when reading pressures with the DRBIII PEP module pressure transducers that the proper transducer is being used. A too high of value transducer will cause inaccurate readings. It is also critical that the DRBIII and pressure transducer is zeroed out before taking a reading.Repair or replace any fuel system malfunctioning components.
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P0173 (M)
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Fuel Trim Malfunction (Bank 2)
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P0174 (M)
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System too Lean (Bank 2)
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A lean air/fuel mixture has been indicated by an abnormally rich correction factor.
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P0175 (M)
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System too Rich (Bank 2)
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A rich air/fuel mixture has been indicated by an abnormally lean correction factor.
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P0176
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Fuel Composition Sensor Circuit
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No calibration voltage present from flex fuel sensor.
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P0177
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Fuel Composition Sensor Circuit Range/Performance
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P0178
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Fuel Composition Sensor Circuit Low Input
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Flex fuel sensor input below minimum acceptable voltage.
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P0178
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Water in Fuel Light—Water In Fuel Sensor Voltage Too Low
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Loss of water-in-fuel circuit or sensor.
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P0179
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Fuel Composition Sensor Circuit High Input
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Flex fuel sensor input above maximum acceptable voltage.
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P0180
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Fuel Temperature Sensor A Circuit
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P0181
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Fuel Temperature Sensor A Circuit Range/Performance
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P0182 (M)
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Fuel Temperature Sensor A Circuit Low Input
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Compressed natural gas temperature sensor voltage below acceptable voltage
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P0183 (M)
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Fuel Temperature Sensor A Circuit High Input
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Compressed natural gas temperature sensor voltage above acceptable voltage
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P0184
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Fuel Temperature Sensor A Circuit Intermittent
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P0185
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Fuel Temperature Sensor B Circuit
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P0186
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Fuel Temperature Sensor B Circuit Range/Performance
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P0187
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Fuel Temperature Sensor B Circuit Low Input
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P0188
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Fuel Temperature Sensor B Circuit High Input
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P0189
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Fuel Temperature Sensor B Circuit Intermittent
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P0190
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Fuel Rail Pressure Sensor Circuit
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P0191
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Fuel Rail Pressure Sensor Circuit Range/Performance
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P0192
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Fuel Rail Pressure Sensor Circuit Low Input
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P0193
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Fuel Rail Pressure Sensor Circuit High Input
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P0194
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Fuel Rail Pressure Sensor Circuit Intermittent
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P0195
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Engine Oil Temperature Sensor
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P0196
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Engine Oil Temperature Sensor Range/Performance
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P0197
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Engine Oil Temperature Sensor Low
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P0198
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Engine Oil Temperature Sensor High
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P0199
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Engine Oil Temperature Sensor Intermittent
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