needs an O-2 sensor?
Running Lean Limited is the business or management consultancy business based in BasingstokeIn automotive terms it means that the engine is not getting as much gas as it should.In running, it refers to body mass.
it is gay
running lean can cause your 400ex to backfire ..if it backfires on deceleration its lean ...if it pops on acceleration its running rich.====carb issues
P0171 System too Lean (Bank 1)
engine is running lean while eccelerating
Look for a vacuum leak.
Bank 2 running too lean.
Perhaps a clogged fuel filter.
No, cheetahs do not have blubber. They are a lean, mean running machine.
Engine is running lean.
probably vacuum leak.
The engine is running lean www.obd-codes.com this will help .