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Thread: MAF sensor - option to get rid of

  1. 26th March 2008, 11:41 AM #1
    alanbettison
    alanbettison is offline Master
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    MAF sensor - option to get rid of

    I have D2 V8 on LPG + petrol

    I have had a few backfires, blown the air box up and had to replace the maf sensor

    In recent time the LPG has behaved itself, but when the weather is hot, it runs like a dog on petrol (especially at low revs), and I have a gut feeling the maf sensor is not functioning to 100%

    Could I replace this system with something that doesn't use the maf snesor?

    thanks
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  2. 26th March 2008, 03:03 PM #2
    PhilipA
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    What D2? GEMS or Motronic.
    In any case it would be with great difficulty as the ECU also runs many body functions such as air, central lock etc.
    There are some tuning places that have experience in a Mafless edit for GM but I would think there is zero experience in Australia with GEMS or Motronic.
    You could change to aftermarket ECU but then would need to have the original ECU retained for the body functions.

    Regards Philip A
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  3. 27th March 2008, 09:19 AM #3
    NPEP
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    Quote Originally Posted by PhilipA View Post
    What D2? GEMS or Motronic.
    In any case it would be with great difficulty as the ECU also runs many body functions such as air, central lock etc.
    There are some tuning places that have experience in a Mafless edit for GM but I would think there is zero experience in Australia with GEMS or Motronic.
    You could change to aftermarket ECU but then would need to have the original ECU retained for the body functions.

    Regards Philip A
    Just a quick question, what is the difference between GEMS & Motoronic and how do I tell which is which?

    2002 Discovery 2 - sold
    2002 RR Vogue
    2010 Discovery 4
    2013 Evoque
    2001 Discovery V8 - sold
    1975 RR Classic - sold
    1974 RR Classic - sold
    Ser 3 LWB - sold
    Ser 2 LWB - sold
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  4. 27th March 2008, 03:09 PM #4
    PhilipA
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    GEMS has a square box on top of the engine with 4.0 , engraved onto it.

    Motronic will be a Thor manifold, which has a lot of curved tubes across the top of the engine.
    Regards Philip A
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  5. 27th March 2008, 03:12 PM #5
    alanbettison
    alanbettison is offline Master
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    motronic - gems

    your 01 disco should be a (bosch) motronic

    you should have the thor inlet manifold, looks like a set of ribs on top of the engine

    i think gems was for the d1's
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