What Is a Lean Fuel Mixture?

Answer

A lean fuel mixture refers to fuel which contains an insufficient amount of fuel compared to the quantity of air. The main aim of using excess air is to increase the efficiency of fuel consumption. However, this fuel sometimes leads to a rough idle and, in some cases, stalling of the engine.
Q&A Related to "What Is a Lean Fuel Mixture"
Damaged and worn-out air hoses connecting to the intake manifold can create a lean air/fuel mixture reading at the oxygen sensor. These leaks allow excess air into the engine that
http://www.ehow.com/list_6109683_causes-detecting-...
A vacuum leak can cause a lean burn.
http://wiki.answers.com/Q/What_can_cause_lean_fuel...
What regulates fuel air mixture? The computer controls the duty cycle of the injectors to regulate the fuel mixture. It determines the duty cycle for the injectors based on information
http://www.life123.com/cars-vehicles/vehicle-maint...
Lean mixture 9 times out of ten is caused by a vacuum leak so get under the hood and see if you can track one down, a spray bottle with soapy water or a can of brake kleen can help.
http://answers.yahoo.com/question/index?qid=201309...
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