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Peugeot 406 HDi (Diesel 2001) Revving Up/Cutting Out Problem

I have a problem with my Peugeot 406 HDi Diesel (2001). It can intermittently cut out on me while im driving. Sometimes it will start back up straight away, other times I have to wait a few minutes before it starts back up. When it cuts out, it cuts out completely - it tends to slow down quite rapidly and the power steering locks up making it hard to steer to any side and quite dangerous on busy roads. Only the brakes tend to work.
It also tends to rev up and down slightly when idle (neutral) or stuck in traffic coming up to a junction. It can then **** and cut out. Again, sometimes it will start straight away, other times I have to wait a few minutes before it starts back up again.

It has been doing this for around 7-8 months now and is very annoying and unsafe. I believe the problems above are definately related.

I have been to a few local garages and they cant find out what the problem is. They have connected up computer diagnostic equipment to it and it shows no faults or error codes.

A bit of background history:

Around 6 months ago, one day it would not start up from dead. However this was to do with only 2 Globe Plugs functioning and these were replaced completely so all 4 were working and sorted that problem out. The engine cutting out/revving up problem existed before that. The fuel pump has also been changed.

It has been fully serviced and had the fuel filter changed last week due to a recent Diesel leak but is still having the same problem.

I hear this is a common problem with Peugeot 406 cars especially but after doing various researching have never found an adequate solution.

Could this be a relay/fuse problem? If so which one and how do I locate it?

I have had feedback from someone else to say they had a simliar problem with their BMW a few years ago and it turned out it was one of the relays that needed replacing. They couldn't remember which one but it sorted out the problem?

Please assist!!!

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It will be your low volume pump in the tank

Posted on Jul 13, 2009

  • kingrob2 May 14, 2011

    my 406 has the same problem and have fitted a new pump in the tank and it is nstill the same
    is there any other ideas out there many thanks


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There is a return valve on the common rail there is a yellow connection that gives trouble happened me on two 406 hdi put new block connector and never had trouble after that.

Posted on Apr 21, 2013


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