P Codes – OBD2 Powertrain Codes

Learn all about the P2178 code, what causes system too rich off idle, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2179 code, what causes system too lean off idle, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P217A code, what causes fuel injector group "G" supply voltage circuit/open, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P217B code, what causes fuel injector group "G" supply voltage circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P217C code, what causes fuel injector group "G" supply voltage circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P217D code, what causes fuel injector group 'H' supply voltage circuit/open, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P217E code, what causes fuel injector group "H" supply voltage circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P217F code, what causes fuel injector group 'H' supply voltage circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2180 code, what causes system too rich off idle, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2181 code, what causes cooling system performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.