P Codes – OBD2 Powertrain Codes

Learn all about the P2673 code, what causes injection pump timing calibration not learned, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2674 code, what causes injection pump fuel calibration not learned, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2675 code, what causes air cleaner inlet control circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2676 code, what causes air cleaner inlet control circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2677 code, what causes air cleaner inlet control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2678 code, what causes coolant degassing valve control circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2679 code, what causes coolant degassing valve control circuit low issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P267A code, what causes the B Rocker Arm Actuator Position Sensor Circuit issue, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P267B code, what causes B rocker arm actuator position sensor circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P267C code, what causes B rocker arm actuator position sensor circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.