Vehicle & Technical > Range Rover

3.9EFI - Idling too high

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Poprivit-RRC:
Mine was due to the last owner taking the air idle valve off and not doing it up very well  :roll:

cleaned the surface and used a little alu sealer nice steady idle now :)

Rossko:
A common mystery air leak is in the breather pipework; there's a plastic tee-piece in the hoses at front left of plenum that goes brittle from the crankcase fumes and cracks.

cheers, Ross K

TechnoTurkey:
I was attempting to park a caravan yesterday (not very good at it yet, but practise makes perfect) and when switching the box between reverse, drive and park in any order it would stall a few times with the rev's dropping too low.

I'm going to have a good go at the sensors and check for air leaks tomorrow and see what comes up.

Rossko:
Ah, now that may be a clue ...   the EFi should raise the idle speed slightly when gear moved out of P/N to prevent that happening.   Sounds like it might be doing it sometimes or at wrong times, have a good look at the gearlever switch and it's adjustment.

cheers, Ross K

Reggieroo:

--- Quote from: TechnoTurkey on June 30, 2008, 09:03:52 ---Hi, sorry about the multitude of questions from me at the moment, just trying to get to grips with a few minor bits and bobs that need doing on the Rangy before I have it 'just right'!



Thanks

--- End quote ---


Don't worry, you'll be asking a multitude of questions the whole time you own a classic................lol
I'm still asking them now & still have a few minor bits & bobs that need doing. One of the jobs I never fixed was the high idle problem with mine, then loads of other stuff needed doing & that job went to the bottom of the pile.

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