Symptoms of P023D OBD II Trouble Code
- Decreased engine performance
- Excessive rich or lean exhaust
- Delayed engine start-up (especially when cold)
- Diminished fuel efficiency
Common Causes of P023D OBD II Trouble Code
- Defective MAP/ turbocharger/supercharger boost sensor A
- Open or shorted MAP/ turbocharger/supercharger boost sensor A wiring or connector
- Engine failure (insufficient vacuum production)
- Restricted intercooler
- PCM or PCM programming error
Severity of P023D OBD II Trouble Code
Overall engine performance and fuel efficiency may be adversely affected by the conditions which contribute to a code P023D. It should be categorized as severe.