P048B OBD II Trouble Code Exhaust Pressure Control Valve Position Sensor/Switch Circuit
How to quickly diagnose, repair, and info on symptoms and causes of a P048B code that indicates a malfunction in the exhaust pressure control valve position sensor circuit.
Symptoms of P048B OBD II Trouble Code
- Illuminated check engine light
- Increased emissions
- Poor engine performance
- Hard starting
Common Causes of P048B OBD II Trouble Code
- Faulty exhaust pressure control valve
- Wiring problems
- Faulty PCM
Severity of P048B OBD II Trouble Code
The severity of this code is moderate to severe. It's a good idea to address this code as soon as possible.