P050B OBD II Trouble Code Cold Start Ignition Timing Performance

How to easily diagnose, repair, and info on causes of a P050B trouble code that indicates a detected cold start ignition timing performance problem.

Symptoms of P050B OBD II Trouble Code

  • Excessively rich exhaust
  • Engine stall at idle
  • Pinging noise upon acceleration
  • CKP or CMP sensor related codes

Common Causes of P050B OBD II Trouble Code

  • Defective ECT sensor
  • Severe vacuum leak
  • Open or shorted circuits or connectors
  • Bad CKP or CMP sensor

Severity of P050B OBD II Trouble Code

Incorrect ignition timing may contribute to catalytic converter damage, poor engine performance, and diminished fuel efficiency. A code P050B should be categorized as severe and dispatched with haste.