P Codes – OBD2 Powertrain Codes

Learn all about the P2344 code, what causes Cylinder 9 Above Knock Threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2401 code, what causes evaporative emission system leak detection pump control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2402 code, what causes evaporative emission system leak detection pump control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2404 code, what causes evaporative emission system leak detection pump sense circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2400 code, what causes evaporative emission system leak detection pump control issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2403 code, what causes evaporative emission system leak detection pump sense, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2407 code, what causes evaporative emission system leak detection pump sense circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2408 code, what causes issues with the fuel cap sensor, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2346 code, what causes cylinder 11 to operate above knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2405 code, what causes evaporative emission system leak detection pump sense circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.