P Codes – OBD2 Powertrain Codes

Learn all about the P2334 code, what causes ignition coil 'L' primary control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2335 code, what causes ignition coil "L" secondary circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P2336 code, what causes cylinder 1 above knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2337 code, what causes cylinder 2 to exceed knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2340 code, what causes cylinder 5 above knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2341 code, what causes cylinder 6 to exceed the knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2342 code, what causes cylinder 7 to exceed knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2343 code, what causes Cylinder 8 above knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2338 code, what causes cylinder 3 to exceed knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2339 code, what causes cylinder 4 to exceed knock threshold, and how to diagnose and fix common issues to maintain optimal engine performance.