Rick's Free Auto Repair Advice

Posts Tagged: System too Rich

P0175

Fix code P0175 System too Rich (Bank 2) If you have a P0175 System too Rich (Bank 2)trouble code, read this to understand what it means This trouble code indicates that the oxygen sensor on bank 1 (the bank that does NOT have cylinder #1) is reporting a rich mixture. Do NOT automatically assume that you have a bad oxygen sensor. This code can also be caused by a misfire or a bad fuel pressure regulator.   © 2012 Rick Muscoplat

P0172

Fix code P0172 System too Rich (Bank 1) If you have a P0172 System too Rich (Bank 1)trouble code, read this to understand what it means This trouble code indicates that the oxygen sensor on bank 1 (the bank that has cylinder #1) is reporting a rich mixture. Do NOT automatically assume that you have a bad oxygen sensor. This code can also be caused by a misfire or a bad fuel pressure regulator.   © 2012 Rick Muscoplat


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