Category: Chevrolet

P2200 Chevrolet Nitrogen Oxides (NOx) Sensor Circuit (Bank 1) OBD Code: System: Subsystem:  P2200 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Nitrogen Oxides (NOx) Sensor Circuit (Bank 1) Location: Analysis: Possible Causes:  Bank 1  Circuit Issue   Tech description:

P2197 Chevrolet Oxygen Air/Fuel Sensor Signal Stuck Lean Bank 2 Sensor 1 Tech description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Excessive Fuel Consumption

P2198 Chevrolet Oxygen (O2) Sensor Signal Biased / Stuck Rich (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2198 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Oxygen (O2) Sensor Signal Biased / Stuck Rich (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 1…

P2195 Chevrolet HO2S11 Sensor Signal Stuck Lean Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Vacuums leaks Symptoms – Engine…

P2196 Chevrolet O2 Sensor Signal Stuck Rich Bank 1 Sensor 1 Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Vacuums…

P2192 Chevrolet System Too Rich at Higher Load Bank 1 Possible causes – Leaking fuel injector or pressure regulator– High fuel pressure condition– Faulty front HO2S– Leak in exhaust system– MAF sensor faulty Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2192 Chevrolet Description In order to provide the best possible combination…

P2193 Chevrolet System Too Lean at Higher Load (Bank 2) OBD Code: System: Subsystem:  P2193 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Lean at Higher Load (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Lean   Tech description:

P2194 Chevrolet System Too Rich at Higher Load (Bank 2) OBD Code: System: Subsystem:  P2194 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Rich at Higher Load (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Rich   Tech description:

P2188 Chevrolet System Too Rich At Idle Bank 1 Possible causes – Leaking fuel pressure regulator– Leaking fuel injector What about the obd code? The average long term fuel trim values at idle are less than -30 percent for 10 seconds Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2188 Chevrolet Description…

P2189 Chevrolet System Too Lean at Idle (Bank 2) OBD Code: System: Subsystem:  P2189 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Lean at Idle (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Lean   Tech description:

P2190 Chevrolet System Too Rich at Idle (Bank 2) OBD Code: System: Subsystem:  P2190 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Rich at Idle (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Rich   Tech description:

P2191 Chevrolet System Too Lean at Higher Load Bank 1 Possible causes – Leaking fuel injector or pressure regulator– High fuel pressure condition– Faulty front HO2S– Leak in exhaust system– MAF sensor faulty Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2191 Chevrolet Description In order to provide the best possible combination…

P2184 Chevrolet Engine Coolant Temperature Sensor 2 Circuit Low P2184 Chevrolet Information for specific makes

P2185 Chevrolet Engine Coolant Temperature Sensor 2 Circuit High Possible causes – Low coolant level– Faulty Engine Coolant Temperature Sensor– Stuck or leaking thermostat– Engine Coolant Temperature Sensor harness is open or shorted– Engine Coolant Temperature Sensor circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Symptoms – Engine Light ON (or Service Engine Soon…

P2186 Chevrolet Engine Coolant Temperature (ECT) (Sensor 2) Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P2186 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Engine Coolant Temperature (ECT) (Sensor 2) Circuit Intermittent / Erratic Location: Analysis: Possible Causes:  Sensor 2  Periodically Unstable Circuit   Tech description:

P2187 Chevrolet System Too Lean At Idle Bank 1 Possible causes – Leaking fuel injector or pressure regulator– High fuel pressure condition– Faulty front HO2S– Leak in exhaust system– MAF sensor faulty Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2187 Chevrolet Description In order to provide the best possible combination of…

P2181 Chevrolet Cooling System Performance Possible causes – Low coolant level– Faulty Engine Coolant Temperature Sensor– Stuck or leaking thermostat– Engine Coolant Temperature Sensor harness is open or shorted– Engine Coolant Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P2182 Chevrolet Engine Coolant Temperature (ECT) (Sensor 2) Circuit OBD Code: System: Subsystem:  P2182 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Engine Coolant Temperature (ECT) (Sensor 2) Circuit Location: Analysis: Possible Causes:  Sensor 2  Circuit Issue   Tech description:

P2183 Chevrolet Engine Coolant Temperature Sensor 2 Circuit Performance Possible causes – Low coolant level– Faulty Engine Coolant Temperature Sensor– Stuck or leaking thermostat– Engine Coolant Temperature Sensor harness is open or shorted– Engine Coolant Temperature Sensor circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Symptoms – Engine Light ON (or Service Engine Soon…

P2180 Chevrolet System Too Rich Off Idle (Bank 2) OBD Code: System: Subsystem:  P2180 Chevrolet – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Rich Off Idle (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Rich   Tech description: