Recent content by StainmoreLandy

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  1. S

    Disco 4 (LR4) could anyone help with the secondary turbo actuator valve stuck close

    Hi, Did you ever get to the bottom of this, please? My Disco 4, same age as yours, is doing the same thing... cheers!
  2. S

    Disco 4 Second Turbo actuation problem

    Thanks! Yes, there is a mod; I have the pipe, and just need to work out how best to extract the starter motor...! The pipe mod will cure the cause, but i still need to free up the actuator. What's the best way to get to it? I'm thinking i may have to remove the off side wing...
  3. S

    Disco 4 Second Turbo actuation problem

    Ah, that would explain it, thanks!
  4. S

    Disco 4 Second Turbo actuation problem

    Hi, yes, it's the usual P22D3-77 and P22CF-71 which I gather, in theory, relate to Turbo Inlet valve stuck closed and the valve control circuit open, respectively. I have also learnt that the Restricted Performance kicks in at 2800, when the secondary turbo should activate. However, as I said...
  5. S

    Disco 4 Second Turbo actuation problem

    Hi, I'm a newbie on here and am painstakingly trying to solve the seemingly common 'Restricted Performance' issue when revving my 2010 Disco 4 over 2800rpm. I've cleaned the turbo bypass valve (lower front right), used Turbo Cleaner in the two tanks of fuel, sprayed two cans of Turbo cleaner...
  6. S

    Disco 4 Second Turbo actuation problem

    Hi, I'm a newbie on here and am painstakingly trying to solve the seemingly common 'Restricted Performance' issue when revving my 2010 Disco 4 over 2800rpm. I've cleaned the turbo bypass valve (lower front right), used Turbo Cleaner in the two tanks of fuel, sprayed two cans of Turbo cleaner...
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