P0171 Diagnostic Trouble Code Discussion for May 2018
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2011 Subaru Outback 2.5i 2.5L MIL Lamp on VIN: 4S4BRBGC6B P0171: bank 1 lean. ... found code p1153 o2 circuit range performance too high. replaced air fuel sensor. no change. replaced ecm after checking wires from air fuel sensor to ecm. wires were good. replaced both head ground cables due to corrosion. after replacing ecm code is ... |
May 22, 2018 |
