2008 Buick Enclave CXL with engine code P0174, what cause code P0174?
Hi there
The code is for a lean fuel mixture on bank 2 of the engine. There are several possible causes for this code to happen. Such as vacuum leaks, low fuel pressure or sometimes a bad front O2 sensor. Here is some more info on the code for you.
P0174 BUICK - Fuel Trim System Lean Bank 2 Read more: https://www.autocodes.com/p0174_buick.html
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