Code P0172 came up in my 2010 Chevy Malibu. The dealer charged me $100 to troubleshoot the code. I was told that all the sensors were good and to run the gas tank low and fill up with high-octane gas.
No one can offer a diagnosis and so it falls to me with not much money to find a resolution. The only issue I can see from my own OBDII scanner is that long term fuel trim is -25% on idle, everything ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback