P0171 Diagnostic Trouble Code Discussion for April 2024
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2016 Mazda CX-5 Touring 2.5L MIL Lamp on, Lean, High FuelTrims VIN: JM3KE4CY6G P0171: Fuel trim system too lean. Got a bit of a odd duck here. Long term trims showing 20+. Short term range from 0-10+. Trims don't change with elevated rpm. Idle and cruise both have high trims. Makes me think it's not a vacuum leak but smoked intake anyway and found no leaks. Smoked... |
April 23, 2024 | |
| 2016 Mazda CX-5 Touring 2.5L MIL Lamp on, Lean, High FuelTrims VIN: JM3KE4CY6G P0171: Fuel trim system too lean. Got a bit of a odd duck here. Long term trims showing 20+. Short term range from 0-10+. Trims don't change with elevated rpm. Idle and cruise both have high trims. Makes me think it's not a vacuum leak but smoked intake anyway and found no leaks. Smoked... |
April 25, 2024 |
