Vehicle & Technical > Discovery

Disco 300 v8 problems when started

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stevepage3:
Hi

I have just acquired a Disco 3.9 v8 when you first start it up it seems to hunt with the revs going up and down, once you rev it  a couple of times it seems to settle down. Is this normal ?

Steve

morson4x4:
does this only happen when first morning start or on every start

stevepage3:
seems to be every start

morson4x4:
my old v8's used to pop and mis-fire and struggle to pick revs up like u said rev up or in my case was choke, and it was fine i thought all v8's did it, possible check you plugs to see if the mixture is still ok could be bad plugs, ht leads. or try seeing your local garage and get a proffesional opinion and see what there guesses are

Rossko:
Muck out the idle stepper motor plunger and its housing as the first action

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