Citroen 1984 CX Gti 2500
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Thread: Citroen 1984 CX Gti 2500

  1. #1
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    Default Citroen 1984 CX Gti 2500

    Hi
    My CX is cutting out when the manual gear box is put into reverse. It has a reverse warning system would that be causing the engine to cut out?
    Any suggestions on what could be causing it?
    Herby

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  2. #2
    Real cars have hydraulics DoubleChevron's Avatar
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    the bit of accordion hose between the AFM and inlet manifold. Putting the engine into reverse twists the engine the opposite way, so opens splits in the accordion. You'll need to pull it off to verify.

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    Thanks Shane. I'll have to explain it to my mechanic who's trying to sort it out.
    He was thinking it was electrical.

    Sorry AFM?

    Herbyj

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    Real cars have hydraulics DoubleChevron's Avatar
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    air flow meter, the bit on top of the air cleaner. The split may not be obvious, you may need to pull the bellows off and bend them to find the breaks. I would have expected this would be the first thing any mechanic would check on any vehicle fitted with an Air Flow Meter.



    The hose is no bargain to buy

    http://cx-basis.de/eshop/product_inf...oducts_id=6577

    OMG ... that's the price for a USED one

    seeya,
    shane L.
    'Cit' homepage:
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    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
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    Thanks again Shane for all the info.
    I spoke to the mechanic and he's checked all of the hoses carefully and it's not a hose.He says it must be a loose wire somewhere but he's having trouble finding it.

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    Quote Originally Posted by HERBYJ View Post
    Thanks again Shane for all the info.
    I spoke to the mechanic and he's checked all of the hoses carefully and it's not a hose.He says it must be a loose wire somewhere but he's having trouble finding it.
    The engine temperature sensor is one wire that would kill the engine immediately (flood it) if it is loose. It's on the right hand side near the top of the engine

    Driving - '90 XM, '85 CX IE Auto, 406 Coupe, 405 srdt wagon, '78 dyane, Resting (or Rusting): '73 Birotor '82 CX Presitige, '81 CX Break IE, GS X2, GS1015 Wagon, GS 1300 5sp Wagon, '76 GS 1220 Wagon, '75 GS Wagon, '58 2CV, '58 Vauxhall Velox

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    Fellow Frogger! kimmo's Avatar
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    That would be one possibility. I have had that problem before add well. And I've had even weirder problem. When putting on reverse and the engine moved it trapped the coil lead between the manifold one the front member cutting through the insulation and shorting out. Sweet.

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    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by HERBYJ View Post
    Thanks again Shane for all the info.
    I spoke to the mechanic and he's checked all of the hoses carefully and it's not a hose.He says it must be a loose wire somewhere but he's having trouble finding it.
    Did he check every hose and connection between the Air Flow Meter and inlet manifold ? It really does sound exactly like the problem above, I have seen it on a few different CX's. The splits are usually at the bottom where you can't see it unless you pull the hose off and flex the accordion joint in it.

    ie: Did he actually remove this hose to check !! Just looking isn't good enough

    seeya,
    shane L.
    'Cit' homepage:
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    '85 Series II CX2500 GTi Turbo I
    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

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    1000+ Posts Greg C's Avatar
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    Or get the engine idling and squish and flex that hose. Then you will know for sure
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    I just heard from the mechanic. He's fixed it and it was a broken wire, I'm not sure where.
    Thanks to everyone for the replies.

  11. #11
    Real cars have hydraulics DoubleChevron's Avatar
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    I'd be interested to know which. The wiring should be big plugs off the back of the engine. If one is dodgy ......... they all need replacing!
    'Cit' homepage:
    Citroen Workshop
    Proper cars--
    '85 Series II CX2500 GTi Turbo I
    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

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