P2198 Buick Oxygen (O2) Sensor Signal Biased / Stuck Rich (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2198 Buick – (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…
Category: Buick
P2194 Buick System Too Rich at Higher Load (Bank 2)
P2195 Buick 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…
P2195 Buick HO2S11 Sensor Signal Stuck Lean
P2196 Buick 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…
P2196 Buick O2 Sensor Signal Stuck Rich Bank 1 Sensor 1
P2197 Buick 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 Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne –…
P2190 Buick System Too Rich at Idle (Bank 2)
P2191 Buick 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 Buick Description In order to provide the best possible combination…
P2191 Buick System Too Lean at Higher Load Bank 1
P2192 Buick 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 Buick Description In order to provide the best possible combination…
P2192 Buick System Too Rich at Higher Load Bank 1
P2193 Buick System Too Lean at Higher Load (Bank 2) OBD Code: System: Subsystem: P2193 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2193 Buick System Too Lean at Higher Load (Bank 2)
P2194 Buick System Too Rich at Higher Load (Bank 2) OBD Code: System: Subsystem: P2194 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2187 Buick System Too Lean At Idle Bank 1
P2188 Buick 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 Buick Description…
P2188 Buick System Too Rich At Idle Bank 1
P2189 Buick System Too Lean at Idle (Bank 2) OBD Code: System: Subsystem: P2189 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…
P2189 Buick System Too Lean at Idle (Bank 2)
P2190 Buick System Too Rich at Idle (Bank 2) OBD Code: System: Subsystem: P2190 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…
P2183 Buick Engine Coolant Temperature Sensor 2 Circuit Performance
P2184 Buick Engine Coolant Temperature Sensor 2 Circuit Low P2184 Buick Information for specific makes Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick…
P2184 Buick Engine Coolant Temperature Sensor 2 Circuit Low
P2185 Buick 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…
P2185 Buick Engine Coolant Temperature Sensor 2 Circuit High
P2186 Buick Engine Coolant Temperature (ECT) (Sensor 2) Circuit Intermittent / Erratic OBD Code: System: Subsystem: P2186 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera…
P2186 Buick Engine Coolant Temperature (ECT) (Sensor 2) Circuit Intermittent / Erratic
P2187 Buick 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 Buick Description In order to provide the best possible combination of…
P2182 Buick Engine Coolant Temperature (ECT) (Sensor 2) Circuit
P2183 Buick 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 Buick System Too Rich Off Idle (Bank 2)
P2181 Buick 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) Buick Vehicle:Buick Regal – ?Buick Riviera –…
P2181 Buick Cooling System Performance
P2182 Buick Engine Coolant Temperature (ECT) (Sensor 2) Circuit OBD Code: System: Subsystem: P2182 Buick – (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: Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick…
P217C Buick Fuel Injector Group G Supply Voltage Circuit High
P217D Buick Fuel Injector Group H Supply Voltage Circuit/Open Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick…
P217D Buick Fuel Injector Group H Supply Voltage Circuit/Open
P217E Buick Fuel Injector Group H Supply Voltage Circuit Low Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier –…