P0174 Diagnostic Trouble Code Discussion for April 2026
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 2017 Nissan Murano S 3.5L MIL Lamp on VIN: 5N1AZ2MGXH P0174: Lean bank 1. Have high fuel trim at idle both bank 1 and 2, they pretty much mirror each other. Cold start idle reading + 4. After engine warms up reading +18. Fuel trim at cruising rpm look great -2 to + 3. Vacuum reading at idle steady 18 inches. If I interduce propa... |
April 22, 2026 |
