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Thread: 3.5 injected disco blows black smoke

  1. 15th May 2011, 05:10 PM #11
    scruffy's Avatar
    scruffy
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    Quote Originally Posted by starky View Post
    My disco is using about 19L per 100K

    Blows lots of blacksmoke on start and under full load.

    First i replaced the coolant temp sensor, and replaced the thermostat to an 82 degree just to make sure it was not running in cold mode.

    Next i shouted it a new airflow meter, i thought it was running better but next trip it was blowing black again

    Any suggestions will be appriecated.

    Cheers

    Starky

    Check in the Good Oil section for the procedures to check and adjust the TPS and MAF. I would say that these need to be adjusted th aprox .32 and 1.3 volts as a starting point. Bob
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  2. 18th May 2011, 09:52 PM #12
    starky
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    Bosch 4 spray injectors on order from the states can't wait to put them in
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  3. 19th May 2011, 01:39 PM #13
    starky
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    Quote Originally Posted by starky View Post
    Thanks i will try this when i'm home ahain can you point me in the general direction of where i will find this vaccuume hose???
    checked regulstor all is well
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  4. 13th June 2011, 03:49 PM #14
    starky
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    ok to date i have replaced
    spark plugs
    8 mm top gun leads
    new dizzy cap and rotor
    82 degree thermastat
    engine temp sensor
    mas air flow meter
    and just thrown in a set of bosch 4 spray injectors

    still getting 17-18 liters per 100km

    a new issue that has come to surface is the car idles at 1500 rpm once you pull up for about 15- 30 seconds before it returns to idle

    starting to get the willies here any more advise???

    can some people let me know their fuel consumption they get out of there 3.5 v8's on petrol.

    Cheers

    Starky
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  5. 14th June 2011, 05:20 PM #15
    Tank's Avatar
    Tank
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    The IAC valve at the back of the plenum will cause your symptoms, check that the 3 allen bolts are tight, then take it off and clean the plunger and the seat, which is in the plenum body, Regards Frank.
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  6. 15th June 2011, 06:40 AM #16
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    17-18 L/ 100KM sounds like normal to good fuel consumption.

    Have you checked the vacuum advance unit on the distributor?
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  7. 26th September 2012, 01:29 AM #17
    Flemo
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    Did you end up getting this fixed?
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