L is a low gear ,and if u put it to the L position the car will stop in this low gear. but wen you put it in D then it will go up through the gears. Anonymous Â· 8 years ago 1
An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. If the Check Engine Light comes on, you may find any of the following codes: P0171, P0174 Lean fuel condition codes.
Re: Engine Run-on Causes. While both posts above answer one cause of run-on or dieseling the most common cause is a fast idle. If you close the throttle more at idle then when you shut the engine off it will stop. Idle it as slow as you can without running into stall situations.