P0174 Diagnostic Trouble Code Discussion for January 2020
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 2004 Pontiac Bonneville GXP 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2HZ54Y44 P0174: Fuel Trim System Lean (Bank 2). ... P0174 and P0300 stored. Started cold and found that even numbered cylinders misfired until vehicle went into closed loop, then smoothed out but lean exhaust on bank 2 remained (35+ on bank 2). Found intake duct boot torn and PCV tube cracked, replace... |
January 16, 2020 |
