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  1. I

    4.0 Random misfiring on 4 cylinders

    Tested the sparks it is not firinf the 2 center on the RH and first and last on LH. It is a 1995 Gems Ivan
  2. I

    4.0 Random misfiring on 4 cylinders

    Hi, Here's the new problem. I have my RR that runs on 4 cylinders but with no particular reason would return to normal 8 cyl firing. My first suspicion was on the coils but they were changed few months ago is it possible thant the ECM is the cause? Any suggestion is welcome Ivan
  3. I

    1997 4.0 loss of power above 3000rpm

    Thank you for the different suggestions. I think that lowfat is likely to be the closest. I unplugges the MAF succeed to keep it running at very low idle and went for a drive amazing the engine was back with full paower and revs climbing to 5000rpms... So I guess that unplugging the MAF makes...
  4. I

    1997 4.0 loss of power above 3000rpm

    Thank you for the different suggestions. I think that lowfat is likely to be the closest. I unplugges the MAF succeed to keep it running at very low idle and went for a drive amazing the engine was back with full paower and revs climbing to 5000rpms... So I guess that unplugging the MAF makes...
  5. I

    1997 4.0 loss of power above 3000rpm

    OK My statement was stupid just checked the position of the crank sensor on the top rear no oil on it. Is it a common problem crank sensor fault? Ivan
  6. I

    P38 4.0 HSE MAF SENSOR DATA Is it working? Whats wrong? Please help.

    I have similar symptoms to yours I get the 3000RPM and no more power. Did you check the petrol pump pressure? some body also mentionned Crankshaft sensor? Ivan
  7. I

    1997 4.0 loss of power above 3000rpm

    greenslade, thank you for,the additional lead on the crankshaft sensor. since I have an oil leak around the oil pump might be affectes I check this one too. Ivan
  8. I

    1997 4.0 loss of power above 3000rpm

    Thanks you for confirming all my resolution option of possible. did anyone actually resolve a problem like mine ? so that I don't have to check/replace all the potential suspects. Thanks Ivan
  9. I

    1997 4.0 loss of power above 3000rpm

    I did a nice drive with my new acquisition P38 4.0 1997 it ran great for about 1500 miles to italy. then at some stage it in the alps it started to loose power above 3000 rpms as if there was not enough air or petrol. symptoms (Dr House style) - started great - Idle is good - Accelation normal...
  10. I

    I love the site looks really helpful

    Hi everyone I am a new member a froggy from Peille south of france. I love RRs current have a 2006 autobiography supercharges 4.0 xenon blue and just bought a old P38 holland & holland 1997 258000km engine replaced 110000km ago in 2005. I must crazy... looking for troubles....but I actually...
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