Common Problems That Trigger the P0130 and P0136 Code
Defective Oxygen Sensor/Air Fuel Ratio Sensor
Defective Oxygen Sensor/Air Fuel Ratio Sensor Heater circuit
Exhaust System Leak
Intake Air System leak (including vacuum leaks)
Low Fuel Pressure
Defective Engine Coolant Temperature Sensor
Defective sensor wiring and/or circuit problem
PCM software needs to be updated
Defective PCM
Common Problems That Trigger the P0150 Code
Defective Oxygen Sensor
Faulty Oxygen Sensor wiring or connections
Defective operation of the Fuel System
Common Misdiagnoses
Oxygen Sensor Sensor is replaced when the problem is a lean-running fuel system
Oxygen Sensor is replaced when the problem is faulty Oxygen Sensor wiring or connections
Oxygen Sensor is replaced when the problem is a vacuum leak or defective Mass Air Flow Sensor
Common Problems That Trigger the P0153 Code
Defective Oxygen Sensor
Faulty Oxygen Sensor wiring or connections
Exhaust System Leak(s)
Common Misdiagnoses
Oxygen Sensor is replaced when the problem is faulty Oxygen Sensor wiring or connections
Oxygen Sensor is replaced when the problem is a vacuum leak or defective Mass Air Flow Sensor