P1151 – AUDI

Code : P1151
Make : AUDI
Description : P1151 AUDI Bank 1 Long Term Fuel Trim Range 1 Lean Lower Limit Exceeded
Possible causes :
– Low fuel pressure or volumn
– Check engine for vacuum leaks
– Blocked or failed fuel injector(s)
– Mass Air Flow (MAF) sensor failure
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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