P0174 Diagnostic Trouble Code Discussion for June 2021
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57654 P0174: System too lean Bank 2. Ok so p0174 easy right?! Vehicle previously had MAF replaced by someone else. Fuel trims are always positive. BARO reading is 149hz which at a mile high is about right. A subsequent MAF was tried no change. There are no vacuum leaks, I have also disconnect... |
June 18, 2021 |
