Questions & Answers for: Saturn Ion p0172

What causes code p0172 on a 2006 Saturn ion P0172 Fuel Trim system too rich, what can cause this is plugged air filter,an injector leak,a leaking hose to the map sensor,air intake boot restricted,this

What does it mean for a P0172 computer code? The P0172 code is indicating a rich condition in your fuel system, the ECU, (computer) can not adjust the fuel / air mixture correctly, it could be any ...

2004 Saturn Ion code p0172 DTC P0172: Bank 1 system too rich. Probable causes: 1. Fuel pressure. Check pump, regulator, filter, and lines 2. Vacuum leaks, damaged hoses, or incorrect routing 3. Air ...