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paintman wrote:Build up of cr8p interfering with the closure of the throttle butterfly?
vougese39 wrote:3.5 or 3.9?
look on the forum fixs under range rover i have listed how to set the base idle which if the throttle pot is clean and the idle valve is cleaned out and you have had the ecu read for faults then it would be set idle then retry
JonV8 wrote:I think you are worrying about nothing here,the engine ecu will not let the engine down to its base idle while its moving,to lessen the chance of stalling in the event of a heavy load being applied.The stepping down to base idleonce its stopped moving is exactly what I would expect.If you have a lumpy idle you need to look at idle mixture,oxygen sensors,vac leaks,plugs,leads etc,etc.
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