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Thread: Disco Problems, Maybe MAF?

  1. 9th November 2007, 11:23 AM #21
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    cafaas
    cafaas is offline Fossicker
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    hi Fade,
    I have almost identical probs as you. Rough idle, missing, long crank when starting, really fuelly.
    Spark plug no. 8 very black sooty carbon, others light tan (as should be).

    After all that - How did you end up working out that it was the Fuel Pump ???
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  2. 9th November 2007, 12:53 PM #22
    Pedro_The_Swift's Avatar
    Pedro_The_Swift
    Pedro_The_Swift is offline The MOD Father
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    When the maf died on BUB91 it just wouldnt run below 3K,, above that-- hang on!

    ( and you thought normal V8 fuel gauges moved quick--)
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  3. 9th November 2007, 07:40 PM #23
    Fade
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    My mother got sick of seeing it in the carport so she organised it to be towed to the nearest rover centre (despite me not wanting to give up on myself ), so they diagnosed it for me and tuned it which im very glad for. But if you can get your hands on a fuel pressure gauge it would be handy for testing it. I had one lined up from a friend, but got beaten.
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  4. 28th August 2010, 06:36 PM #24
    antvc
    antvc is offline Master
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    I found this thread while looking for some answers on very bad fuel economy on my friends 92 disco.
    it drives well and pulls the trailer ok but uses a lot of fuel.
    a few weeks ago he had a few problems and changed the fuel pump and spark plugs and the car was running a lot better. he used to get about 500-550 kms from a tank of fuel but now barely gets 350=400 kms per tank
    it would seem that the engine needs a tune up,
    would adjusting the maf be helpful?
    or maybe something else as a tune up?

    I have a Tdi and not much experience on the v8's

    Thanks

    Anthony
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