P0158 Volvo HO2S22 Circuit High Voltage Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure – Faulty fuel injectors– Intake air leaks– Exhaust gas leaks Tech description Replacing the Rear…
P0157 Volvo O2 Sensor Circuit Low Voltage Bank 2 Sensor 2
P0157 Volvo O2 Sensor Circuit Low Voltage Bank 2 Sensor 2 Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust…
P0156 Volvo HO2S22 Sensor Range/Performance Condition
P0156 Volvo HO2S22 Sensor Range/Performance Condition Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing…
P0155 Volvo A/F Sensor 21 Heater System Malfunction
P0155 Volvo A/F Sensor 21 Heater System Malfunction Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical…
P0154 Volvo A/F Sensor 21 Heater System Malfunction
P0154 Volvo A/F Sensor 21 Heater System Malfunction Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– Front Heated Oxygen Sensor Bank 2 harness is open or shorted– Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech…
P0153 Volvo HO2S21 Sensor Circuit Slow Response
P0153 Volvo HO2S21 Sensor Circuit Slow Response Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– Front Heated Oxygen Sensor Bank 2 harness is open or shorted– Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks– Exhaust gas leaks Tech description Replacing the Front…
P0152 Volvo HO2S21 Sensor Circuit High Voltage
P0152 Volvo HO2S21 Sensor Circuit High Voltage Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– Intake air leaks may be faulty– Exhaust gas leaks– Front Heated Oxygen Sensor Bank 2 harness is open or shorted– Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors Tech description…
P0151 Volvo HO2S21 Sensor Circuit Low Voltage
P0151 Volvo HO2S21 Sensor Circuit Low Voltage Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– Front Heated Oxygen Sensor Bank 2 harness is open or shorted– Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description…
P0150 Volvo Air Fuel Ratio Circuit Bank 2 Sensor 1
P0150 Volvo Air Fuel Ratio Circuit Bank 2 Sensor 1 Possible causes – Faulty Air fuel ratio (A/F) sensor bank 2 sensor 1– Air fuel ratio (A/F) sensor bank 2 sensor 1 harness is open or shorted– Air fuel ratio (A/F) sensor bank 2 sensor 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel…
P0148 Volvo High Pressure Common Rail Checksum
P0148 Volvo High Pressure Common Rail Checksum Possible causes – Fuel Leaks– Faulty Fuel Control Actuator– Faulty Fuel Pressure Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0148 Volvo Description The Fuel Control Actuator (FCA) is an electronically controlled solenoid valve. The ECM controls the amount of fuel that enters the…
P0147 Volvo O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 3
P0147 Volvo O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection What about the obd code? During testing the oxygen sensor…
P0146 Volvo O2 Sensor Circuit No Activity Detected Bank 1 Sensor 3
P0146 Volvo O2 Sensor Circuit No Activity Detected Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes…
P0145 Volvo Heated Oxygen Sensor 3 Circuit Slow Response
P0145 Volvo Heated Oxygen Sensor 3 Circuit Slow Response Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– High…
P0144 Volvo O2 Sensor Circuit High Voltage Bank 1 Sensor 3
P0144 Volvo O2 Sensor Circuit High Voltage Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning…
P0143 Volvo Heated Oxygen Sensor 3 Heater Control Circuit High
P0143 Volvo Heated Oxygen Sensor 3 Heater Control Circuit High Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)–…
P0142 Volvo O2 Sensor Circuit Malfunction Bank 1 Sensor 3
P0142 Volvo O2 Sensor Circuit Malfunction Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes care of…
P0141 Volvo O2 Sensor 1/2 Heater Performance
P0141 Volvo O2 Sensor 1/2 Heater Performance Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty…
P0140 Volvo HO2S12 Sensor Circuit No Activity Detected
P0140 Volvo HO2S12 Sensor Circuit No Activity Detected Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech…
P0139 Volvo HO2S Circuit Slow Response Bank 1 Sensor 2
P0139 Volvo HO2S Circuit Slow Response Bank 1 Sensor 2 Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas…
P0138 Volvo HO2S12 Circuit High Voltage
P0138 Volvo HO2S12 Circuit High Voltage Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Intake air leaks– Exhaust gas leaks– Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing the Rear Heated…