P Codes – OBD2 Powertrain Codes

Learn all about the P0470 code, what causes exhaust pressure sensor malfunction, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0471 code, what causes issues with the exhaust pressure sensor, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0472 code, what causes exhaust pressure sensor "A" circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0473 code, what causes exhaust pressure sensor "A" circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0474 code, what causes exhaust pressure sensor "A" circuit intermittent/erratic issues, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0475 code, what causes exhaust pressure control valve 'A' issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0476 code, what causes exhaust pressure control valve "A" range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0477 code, what causes exhaust pressure control valve "A" low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0478 code, what causes high signal from the exhaust pressure control valve, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0479 code, what causes issues with the exhaust pressure control valve, and how to diagnose and fix common problems to maintain optimal engine performance.