Spare vr6 ecu to lend?

Discussion in 'General Vehicle Chat' started by sambo, Dec 29, 2009.

  1. sambo Paid Member Paid Member

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    Jan 12, 2004
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    Location:
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    Anyone out there have a spare 2.9 abv engine ecu me and my mate could borrow for few days?

    Basically his car refuses to start and he suspects ecu due to recent running problems and dying battery which he was disconnecting, reconnecting numerous times

    Basically there is no 12v supply to coil packs, pump doesnt prime etc

    We checked/replaced all relays etc but still no joy

    Will be easy to check with a known good ecu if anyone has a spare?

    Would course be appreciated and rewarded:)

    His ecu details

    1994 OBD 1

    021 906 258 AG
     
  2. G-Man Forum Junkie

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    Oct 27, 2003
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    Location:
    By the petrol pump
    EDIT:

    Just found the bottom sticker on mine reading:

    021 906 258 A

    Not sure if this will work or not as its for my mk2 2.8 OBD1 distributor engine.

    Its a Bosch Motronic 2.7 but I know the 2.9 ABV has a slightly different ECU.
     
    Last edited: Dec 29, 2009
  3. sambo Paid Member Paid Member

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    Where abouts do you live bud?
     
  4. G-Man Forum Junkie

    Joined:
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    Location:
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    Down sooooouth :)

    I'll PM details
     
  5. G-Man Forum Junkie

    Joined:
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    Location:
    By the petrol pump
    Stolen from another forum:

    OBD1:
    021 906 258 A, B and C is vr6 distrubuter
    021 906 258 AF is 5 wire maf coil pack
    021 906 258 AG is 2.9 5 wire coil pack
    021 906 258 CP is 2.9 4 wire coil pack
    021 906 258 CH is 2.8 4 wire coil pack
    021 906 258 BK is also 4 wire coil pack

    OBD2:
    021 906 256

    Golf VR6 2.8 litre (AAA)
    91-92
    Bosch Motronic 2.7
    0 261 200 495
    021 906 258 A .
    Mine

    Golf VR6 2.8 litre (AAA)
    92
    Bosch Motronic 2.7
    0 261 200 491
    021 906 258 C

    0 261 200 492
    021 906 258 CB

    Golf VR6 2.8 litre (AAA)
    92-93
    Bosch Motronic 2.9
    0 261 203 116
    021 906 258 AF

    Golf VR6 2.8 litre (AAA)
    93-94
    Bosch Motronic 2.9
    0 261 203 218
    021 906 258 BK

    Golf VR6 2.8 litre (AAA)
    94-95
    Bosch Motronic 2.91
    0 261 203 222
    021 906 258 BM


    Golf VR6 2.8 litre (AAA)
    95 on 2 Bosch Motronic 3.81
    0 261 203 968
    021 906 256
     
  6. PhatVR6 Forum Junkie

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    you sure it's not the crank sensor?
     
  7. sambo Paid Member Paid Member

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    I think he has checked that cpl weeks ago

    Thing is his fuel pump dont prime at all and there is no voltage at coil pack plug which it should be with ignition on
     

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