Peugeot 206 fuel pump failure?
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Thread: Peugeot 206 fuel pump failure?

  1. #1
    Fellow Frogger!
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    Default Peugeot 206 fuel pump failure?

    How do the fuel pumps fail, intermitently or just stop completely?

    Our Citroen Berlingo 1.4 has the same pump, not sure if it is the pump.
    Problem is you have to take the fuel tank out to get at anything , testing voltage at the pump not easy.

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    Doesn't like steep hills or bumps. Fine on the flat .
    Been through connections etc.

  2. #2
    1000+ Posts Ken W's Avatar
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    In my experience (mainly with BX EFI systems), the pumps run or they don't. If you put your finger on the pump you can feel when it is running and it should run for about 1 second after the ignition is turned on and then restart when the engine starts. I have found they stop running when they get some crud in the tube that stops the peristaltic wheel from turning. You can sometimes clear this by applying more voltage. They do not like old fuel that has turned to varnish.

    Also there is usually a fuel filter somewhere around either separate or in the in-tank pickup. If this gets clogged then I reckon it would fade during while going up hills.

    I am not sure how you put you finger on an in-tank pump as I havn't had to deal with that yet.

    You are in the wars down there at present with the Berlingo and a 206. I hope you can get things sorted and have a better 2019. Have you tried cleaning the contacts on the ECU with some contact cleaner? Also I have seen mention by David S about leaking coolant temp sensors that push coolant down the wires to the ECU connectors so check for that scenario as well.

    Cheers, Ken

  3. #3
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    I had to tighten the tank sender retaining ring on my 206 and noticed the pump plug wasn't seated properly and from memory was a bugger to seat enough to get it to 'click' home. Maybe yours is loose too?
    Berridale likes this.


    2003 PEUGEOT 206 GTi

  4. #4
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    The daughters and i spent the day doing her worn 206 GTI rear suspension bearings.
    I knew the shaft on one side was corroded .
    We were lucky as i had a perfect 206 assembly but it was not ABS , so we transferred the trailing arms with new bearings onto the donor sub-frame.
    Gods were with us in that it was the same size trunnion shaft.
    The setting of the torsion bars is tricky , even when you mark carefully.
    Get a spare set of bearing when you do this as the bearing flies apart if you re-do your work.
    A good days work , even with good helpers.

    The Berlingo can wait , and as you say could be the tank connection, i had this with a Renault 19.
    I realised today that the poor Berlingo goes where it is 4WD country.
    Asking too much of the poor thing?

  5. #5
    X8R
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    Usual non Directed Injected pumps work or don't but your one seems "tired" or with poor sealing. Maybe it is just a fuel filter thing or rusty tank. In any case you will need to drop the tank :S

  6. #6
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    Stuey,

    the loose /faulty connection on the tank might be it.
    Will remove the plastic and have a look, change the fuel pump while i am there.
    Had this problem years back on a Renault 19.

  7. #7
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    Good news!
    Cable to TPS.
    All parts clearly labeled VDO, Throttle Body, TPS.


    Checked the fault codes today.
    PO135.
    So then replaced the O2 sensors to clear the dash light.
    After this there was no dash light even after driving in the heat of summer today. 38' here.
    I did about 40klms in the heat went up the hill no problems .
    Seems fixed.


    Odd thing is that the dash light and the fault have been there for about two years, never missed a beat til recently.
    Seems it was the exhaust sensor in the extreme heat.
    Very few vans here with this VDO set-up.

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