P0171 Diagnostic Trouble Code Discussion for November 2022
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2006 Chevrolet Trailblazer LT 4.2L Misfire VIN: 1GNET16S06 P0171: Fuel System Lean (Bank 1). I got one here I think I might know what is wrong but the boss wants me to ask before hand. I got this trailblazer passed down to me what it does is it will misfire at idle only and runs fine down the road but at time when idling it starts to run really ro... |
November 04, 2022 | |
| 2016 Ford F-350 Super Duty Lariat 6.7L MIL Lamp on VIN: 1FTRF3BT4G P0171: fuel trim bank 1. air filter keeps getting sucked into air duct. 3k miles ago unit was in for service. air filter was partially collapsed and in air duct. filter was dirty at that time thought collapse was due to dirt. 900 miles ago mil came on and had codes for maf and par... |
November 14, 2022 | |
| 2016 Ford F-350 Super Duty Lariat 6.7L MIL Lamp on VIN: 1FTRF3BT4G P0171: fuel trim bank 1. air filter keeps getting sucked into air duct. 3k miles ago unit was in for service. air filter was partially collapsed and in air duct. filter was dirty at that time thought collapse was due to dirt. 900 miles ago mil came on and had codes for maf and par... |
November 15, 2022 | |
| 2017 Ford Fusion S 2.5L MIL Lamp on VIN: 3FA6P0G76H P0171: Lean. Have a 2017 ford fusion that is not making sense to me. Came in showing lean - around 25%ltft. Shows +25 at idle, cruising, hard accell and all. checked for vacuum leaks including purge valve, nothing i can hear or with spray test. Tested Maf, looked fine ... |
November 29, 2022 |
