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Thread: no throttle response The saga goes on.

  1. 9th June 2016, 08:15 PM #11
    Jazzman
    Jazzman is offline Wizard Silver Subscriber
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    What exactly do you mean by throttle response? Does the throttle not do anything? There is a lot of lag time? Or perhaps the car is lacking power?

    Surely if the throttle does nothing it is more likely to be the throttle itself or the wiring / voltage supply.

    Just by the way, it is not easy to change the fuel pump. After you get the carpet out of the way it is realitily easy to undo all the fuel lines paying attention to the colour codes. But getting the new one in and screwed down can be difficult.
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  2. 9th June 2016, 09:47 PM #12
    Pippin
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    TD5 Disco Fuel pump/sender unit - Land Rover Technical Archive - LR4x4 - The Land Rover Forum not if you look at this link which describes exactly how to remove and fit a pump in words and pictures. There is also another good link posted in the last few days that also describes how to remove the carpet and trim etc.

    Nick
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  3. 9th June 2016, 09:50 PM #13
    Pippin
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    This is it posted by Bohica:www.discovery2.co.uk / TD5 Fuel Pump replacement.
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  4. 9th June 2016, 10:48 PM #14
    Jazzman
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    Thanks for the links. I've done it 3 times now. I guess i'd personally find swapping the ECU easier.

    But either way, the fault finding is progressing. It doesn't really matter which he does first, I just hope for his sake he gets the right one the first time.
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  5. 9th June 2016, 11:03 PM #15
    worane
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    Hi guys, I have done nothing to it today as the damn thing ran and went well with no loss of throttle , would you believe.
    By no throttle response , I mean, put your foot on the pedal and get no response at all.
    When I do get response it drives just fine.
    Nick.
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  6. 9th June 2016, 11:14 PM #16
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    sierrafery
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    Quote Originally Posted by worane View Post
    ... I mean, put your foot on the pedal and get no response at all....
    I'll be the most amazed guy here if that's the result of low fuel pressure... it'll be another specific LR oddity
    Discovery Td5 (2000), manual, tuned
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  7. 10th June 2016, 07:35 AM #17
    Pippin
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    I must admit that I lean in your direction Sierrafery after Woranes last post.
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  8. 10th June 2016, 07:08 PM #18
    discorevy
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    If there's no cavitation noises from the pump when the ign is turned on , check fuel pressure , if that's OK , check cam timing as I have twice had people that have done their own head gaskets and have had these symptoms, because of retarded valve timing , the last one would only give revs under certain conditions ( usually warm ) but also had a slow idle so check idle correction with nanocom. Driver demand faults were also logged , they can also log when an intercooler hose is off or with leaking inj o rings as well as previously mentioned fuel pressure issues.....and if the pump is making cavitation noises when ign on the look at inj washers
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  9. 10th June 2016, 10:18 PM #19
    worane
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    I don't believe it but the bloody this is behaving it's self again today.( two days in a row)
    I suspect it is because I now have a spare fuel pump and a set of injector washers and O rings! must have scared the hell out of it.
    Time will tell. Going out for a day of flying tomorrow if the weather is good.
    Nick.
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  10. 12th June 2016, 06:07 PM #20
    worane
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    Still behaving!
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