Vehicle & Technical > Discovery

V8 trouble!

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skip:
Hi again

Now i've had my disco for a bit and got used to it, i've identified a problem that originally I thought was just a characteristic of the engine.

first off it runs fine when being laboured and fine when being ranted. The fun happens when I drive moderatley which contrary to popular belief is the mojority of the time :lol:

Say i'm  traveling at around 30mph in 3rd gear and i want to accelerate, the engine will start to pickup ok then hesitate and then lurch, it'll keep doing it until about 2500revs then it clears up. or if i lift off the throttle a touch and it'll pickup again. and on other occations it just doesn't want to accelerate :?

I think it's a miss fire but I don't think it's ignition related as it runs fine on LPG.  Aslo I've been through the ignition system but ive stopped short of checking timing.

Are these motors known to suffer with fuel pressure or injector problems?
Oh it's a 3.9 hotwire BTW.


Pete.

Skibum346:
I'd try putting some forte fuel treatment through in the first instance before looking for dodgy compnents/systems. Could just be crap in the fuel filter or pipes.

When was it last serviced?

skip:
Skibum it was last serviced 3k ago, I don't know what was done as the dealer I bought it from did the work.

 TBH i've had enough of the thing now. I bought it becuase i've always wanted a V8 but it's a big let down in just about everyway conciveable.

The gearbox is notchy and doesn't like going into first, just like the 110 I drive at work, the switch gear is impossible to see without peering round the steering wheel and the engine is lack lustre even when it's runnning well. that's the main points.

Sorry to moan i'm a bit fed up  :cry:

Skibum346:
No worries matey, by the way, is it a carbed v8 or efi?

skip:
tas got the lucas hotwire effort on it.

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