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Thread: MAF readings D2 V8

  1. 12th February 2011, 12:20 PM #1
    jiri_j
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    MAF readings D2 V8

    Anyone can remember what should be readings of a perfectly working MAF at idle on D2 V8? My measurements show around 5g/s. Is this what I should expect?

    And also: is there anyone in Canberra who would let me try his/her working MAF before I go and purchase a new one? Just for a few minutes only

    Thank you!
    J
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  2. 12th February 2011, 12:24 PM #2
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    justinc
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    26 to 30 Kg/hr is what I have seen IIRC. That is almost twice 5g/s. Sounds like you have a low output there.

    JC
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  3. 12th February 2011, 01:58 PM #3
    jiri_j
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    I have found on another forum 30 kg/hr when idling. Not sure if it is for V8 or TD5 though. I searched internet for a while but couldn't find anything. Is there someone else who could confirm 30 kg/hr MAF reading at idle? Thank you all! J
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  4. 12th February 2011, 02:27 PM #4
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    Quote Originally Posted by jiri_j View Post
    I have found on another forum 30 kg/hr when idling. Not sure if it is for V8 or TD5 though. I searched internet for a while but couldn't find anything. Is there someone else who could confirm 30 kg/hr MAF reading at idle? Thank you all! J
    You can bet that is for a V8. A Td5 should be no less than 50 at idle...

    JC
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  5. 13th February 2011, 06:55 AM #5
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    Pedro_The_Swift
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    Be wary of the small radiator return line when undoing those clips---
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  6. 6th April 2011, 05:38 AM #6
    phuma Guest
    I think it is important to quote the RPM at which you were measuring when you say "idling". I see you've also posted on landroversonly.com that:
    - 18kg/hr @ 660 RPM
    - 21kg/hr @ 700 RPM
    I would assume this is a manual then - the autos idle a bit higher; I think at around 730 RPM? Therefore if somebody else says 24kg/hr when idling they may be referring to an auto.

    My Disco 2 V8 is:
    - 18kg/hr @ 640 RPM
    - 22kg/hr @ 750 RPM
    - 58kg/hr @ 2000 RPM

    Does that look familiar / ok?
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  7. 6th April 2011, 07:38 AM #7
    jiri_j
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    Yes, in my case it was manual and idle was at 660rpm. BTW I checked RAVE and could find nothing regarding idle speed for manual and auto. It is just 660 +/- 50 rpm for a V8 engine...

    My readings are:

    idle (660 rpm :-) 18 Kg/hr
    2500 rpm 59 Kg/hr

    RAVE - Range rover V8:

    idle 20+/-3 Kg/hr
    2500 rpm 60+/-3 Kg/hr

    Hope this helps. regards Jiri
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  8. 6th April 2011, 03:36 PM #8
    phuma Guest
    So very similar to mine then... so either ours' are both stuffed, or they are ok! At least they look ok around 2000 RPM, which is probably a good sign. I have asked for another opinion about the kg/hr.

    Did you resolve your misfire issues?
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  9. 6th April 2011, 03:45 PM #9
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    How are these measured? I have a new (<2mth) Maf on D2 auto (new engine and auto) so I can give some 1/2 decent readings if you tell me how.
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  10. 6th April 2011, 03:49 PM #10
    phuma Guest
    clubagreenie - you've got to find somebody with a diagnostic device to do this. I.e. at an independent mechanic, or maybe a friend with something like a "hawkeye" or newer "nanocom" readers. Thanks for the offer!
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