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Thread: 2002 Disco not starting, have fuel and spark

  1. #11
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    There were spacers but they went after the sensor. So I put it in as sensor, spacers, nuts. If the spacers went in first then the sensor would be sitting up off the body of the engine 10mm or so. Are there other spacers

  2. #12
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    I just checked my spare engine in the shed and you’re right with the spacers.

    So it’s gotta be coils I suppose.

    If I get a chance over the weekend I’ll disconnect my coils from the harness and check the tacho on cranking.

  3. #13
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    Thanks Ballbag,
    Hopefully the coil packs I purchased will arrive today and I will put them in tomorrow.Ill also work out how best to relocate the coil packs but the actual relocation will be for another time. I have a prospecting trip planned departing Saturday week hence some urgency to get the Disco working. I assume if its not coil packs then its ECU as that's about all that's left.

  4. #14
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    Ok I have now changed the coil packs and HT leads but still wont start. It has regular spark, I tool spark plug 2 out and used it to test the rest of the bank. It looks a bit weak as I can only see the spark at night time. Im at a bit of a loss now.

  5. #15
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    2002 Disco not starting, have fuel and spark

    Have not yet had chance to test tacho without coils connected, sorry.

    With new oils I can’t think of any reason why spark would be weak. But there is spark nonetheless.

    Did you check for fuel at vavlve on fuel rail behind coils?

    Easy things to rule out:
    1. Disconnect MAF, try to start.
    2. Disconnect cam sensor, try to start.
    3. Disconnect idle air control valve, try to start.

  6. #16
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    Unplugged the MAF still did not start
    Unplugged the Cam Sensor , still did not start.
    Could not find the schraeder valve. It it under the green cap at the rear of the motor on the left side ?
    However the engine smells of petrol and I did check the fuel pump at it works at the tank.
    Tomorrow as the front of the engine is exposed I will change out the cam sensor and water pump (I found that it was leaking)
    I think I have found a second hand ECU so I can try that as well.
    This car is becoming a frustration

  7. #17
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    Will that ECU work as it will be looking for the Body Control Unit of the car it came out off and may not recognise your BCU?
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1976 Jaguar XJ12C
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

  8. #18
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    Yes, green cap on fuel rail valve.

    Not sure what needs to be done for ECU to work. Suggest messaging forum member sierraferry if you have difficulty.

    Other than ECU and ensuring all earths are making good contact, I’m not sure what else to do here.

  9. #19
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    Not many things actually stop these things,, (lots of things though contribute to a decline in performance, coil packs normally fall into this catergory).
    Crank angle sensor will stop them.
    Fuel pump will stop them.
    Security will stop them.
    "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]

  10. #20
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    The saga continues.
    I checked the fuel pump and it is working. I then had some one turn the motor over whilst I held in the schraeder valve and no fuel come out. I thought it was meant to . So does that mean a blockage in the fuel pipe ?

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