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Yes - complete waste of money in my case as the Turbo was far too sludged up for any of the cleaners to make any difference.

Thanks chaps - I'll check the electrical connections for corrosion etc. before I dismantle everything - the refurb kit for the pump arrived today so next step is taking the pump out and apart - wish me luck ^^

Eliminated - one of the first things I did ;)

Thanks for the input :) RonBox fitted over 4 years ago - excellent product, transforms the td4. Thanks for the link but already ordered this one (more complete and better price) >> http://www.ebay.co.uk/itm/171278193685?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Thanks Andy - yes could be although I've got a RonBox (Synergy) fitted which has it's own wiring for the fuel sensor but no harm in trying the original one just in case. I think either the pump is knackered or there's an electrical signal somewhere which is stopping the fuel regulator from...

Thanks for your reply. First off .... possibly .... in any case too late now and I don't intend to retest them ;) The high pressure fuel regulator seals were replaced with new ones a couple of days ago (the old ones were not damaged).

Bit of an update for anyone following (or anyone that can help ....) - Leak back test negative (not a drop) both with ignition on and engine turning over. - diesel arrives at all four injectors (undid pipes at injectors) no visible air leaks. - all four injectors have electric pulses (took...

That's the conclusion I'm coming to :(

Thanks for your reply. Cut-off switch has been pressed lots of times (you never know, lol). Yes I can hear pump running (both old one and now new one) and have the hiss from the HPFP for 15 secs whilst it "charges up". Will try the bleed idea, thx. Before dismantling I'm thinking off taking...

After 3 years and over 40k miles of trouble free driving she's died :( 2004 td4 5 door HSE Automatic with 100k miles Traveling home at around 80kph (I live in France) went to accelerate and found that the engine had stalled (no lights on the dash though). Tried restarting whilst "coasting" but...

Your variable geometry vanes are stuck - had the same problem. Turbo off and take apart then clean all the crap stopping them turning correctly then refit - or buy a new Turbo ;)

Yes, Boost solenoid or the one where you have to lie on your back with your arms up above you at a weird angle in order to get to the stupid part - gets even more fun if you have to remove the turbo to clean the sticking vanes like I did :(

When mine had the same symptoms I ended up taking the turbo apart, cleaning the cr*p off the sticking variable vanes and then putting it back together - fixed the problem and 2 years and over 30k miles since without ever having to see that annoying EML light nor lack of power on hills. I know...

Thanks chaps. I will check and clean the Sedimentor -won't do any harm to give it a clean anyway. From what I've found and read, and as per tottot's message I defo think the lift pump is not doing what it's supposed to. Will check tomorrow by removing the outlet pipe and cranking the engine -...

Fuel lines are good and I've removed the wire filter on the end of the hose in the tank (to eliminate this as a potential blockage). If I open the air bleed on top of the fuel filter and then operate the lift pump handle manually I expected to hear a bit of a air hiss as fuel was forced into...

Bit of an update: - Played with the wastegate and can get a drop to .7bar and up to 1bar depending upon how much I screw the actuator in. Put it back to 1bar. - Wastegate moves freely - I didn't take the turbo apart but doubt the wastegate is stuck open. - Changed the fuel filter and added...

Thanks again for the advice. The pump had the top taken off and the diaphragm "turned" to a higher level - I believe, it wasn't me that did it but I think that's what he said that he did. I'll check the tappets - seems easy enough. and will also check the waste gate. I know cleaning the...

OK will do .... what should I be looking for ?

Thanks chaps for the replies. All hoses were changed for new silicone ones earlier this year so all good there; Had a bit of time today so I took out (from the engine) all of the injectors (fuel hoses disconnected prior) and gave them a quick surface clean with some carb cleaner I had...

Hi all, I've a 1986 90 with a Defender 200tdi and for the last couple of years I've been noticing a increasing drop in power - to the extent now that she struggles to tow a loaded twin jet-ski trailer back up the launch ramp. To date I've: - Changed the timing belt - Changed the lift pump -...