P0171 Diagnostic Trouble Code Discussion for May 2020
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2005 Honda Accord LX 2.4L Poor Idle Quality VIN: 1HGCM56495 P0171: Fuel System Too Lean (Bank 1). ... found P0171 lean code. Test drove, no real drivability problems, slightly rough idle. Recorded average fuel trim around 10% STFT, 3%LTFT at cruise, up to 21% and 12% warm idle in shop. Visual check found the intake boot torn through at the bottom. Repl... |
May 21, 2020 |
