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I had a loose wheel speed sensor that was throwing up similar problems with warning lights, might be worth checking mate.

Ooops. In the time I replied I saw your great message. Happy days.

Good to hear! :)

It’s ok bro I’ve changed it now and the brakes are working fine now no issues since

There were no warning lights it was a message on the dash saying Brake servo but it is ok to drive but contact dealer.

@Jotenhiem when you have the errors on the dash, are they the yellow warning messages, or have you ever seen the red one? If you’ve seen the red one, then you’re probably past the point where replacing the sensor won’t solve the issue I’m afraid. I let mine get to red warning and only then the brakes started juddering, so it sounds like the abs unit may have failed already, based on my experience If you haven’t seen any red warnings, then I wonder if the new part you’ve got is defective? You could try buying a couple from eBay or somewhere else and see if that solves the issue? If you haven’t seen the red, still do not drive it until replacing the sensor again. Good luck 🤞

This could be caused by the battery if it's old and not operating properly. Might be worth having it checked first.

I let the nice chaps down at Tesco give the old girl a bit of a clean-up today... That's more like it... Job now properly complete. Mike 😎

So, I decided that Friday would be a better day to do this - as my mate Dave was available to give me a hand today... I start off by breaking down the vast cardboard box the under-trays came in, and use it as a working surface to stop stuff getting on the driveway. I jack and axle-stand the car up, then lay out the parts and tools I'll need on the garage floor... I begin with a couple of easy jobs - replacing the £305 £19 hose 😆 - Beelzebub's spring clip was positioned by Dave with the biggest set of plumbers grips I've ever seen - the metal end was held in place by the clip built into the turbo... Then the main feed from the MAS to the turbo - I tightened the two 10mm bolts up using a short ratchet, as space was tight (plus I have hands like shovels). I used a trick a mechanic mate of mine showed me years ago to set the right hand bolt in place. I put a couple of layers of kitchen roll between the bolt and the socket, making it impossible to accidentally lose the bolt before you get it started... OK - time to get a bit grubby. I get under the car and unbolt the front engine mount from the block - colloquially known as the Snubber. As you can see, this is likely the original one, and is badly perished - in fact, it starts coming apart in my hand. I cut it off using a Stanley knife and bin it... It is remarkably easy to get the new bush on... ...and I manage to refit it, by carefully tightening each of the three bolts securing it in turn, saving me having to loosen the nuts on the socket... Whilst underneath, I reach back and undo the two remaining fasteners holding the damaged gearbox under-tray in place and bring it out... It seems to have a hard life... 🤨 I come up for air and fit the new battery cover in place - working as designed for the first time since I have had the car 😆 Next up - new fuel filter. I must go back and check the old one to see if it has a date on it - because I'm pretty sure it was the original...😱 There's an excellent tutorial guide on how to do this - pretty simple - job here. I fit the two remaining turbo hoses, from underneath the car, without any drama - my hands were too dirty to take pics, though... We start the car up - it took a long time for the diesel to get to the injectors via the new filter - and let it idle for a few minutes to warm the oil. It sounds way better already... 😃 This should be tightened to 25Nm - says so on the (plastic) lid. OMG - it was tightened to Godzilla hand tight. My oil filter socket started slipping - so we put a layer of cloth between the filter top and the socket for some extra stiction, which worked - but that was not 25Nm... 🤨 Once the oil was warm, we switched off and Dave volunteered to go underneath to drain it. A bit thin and watery, he reckoned. We changed the filter and O-ring - tightening to exactly 25Nm when done... 😃 Filled up with 3.8 litres of Quantum's finest, then started up again and checked for leaks. There being none, Dave, once again, nobly volunteered to get back underneath (I'm going to owe him so much beer) and fit the new gearbox and engine under trays - which at least had the advantage of coming with new fasteners. I must say, the quality and fit of these was a bit disappointing. Time will tell whether they are up to the task... 🤔 I started reassembling the top of the engine - replacing the air intake duct and - finally - fitting the engine cover. We removed the axle stands and then checked the oil - exactly on the 'Max' mark 👍 Time to take it out for a test drive. As soon as I drove out onto the road, I knew we'd fixed it. It picked up immediately, without any smoke and - critically - without any intake roar. I drove down to the A47 and drove about four miles in 4th gear - the revs around 4k, then turned off and stopped the engine. On restart, the DPF warning light had gone out - Yay! 🥳 I drove back home and ran the OBDEleven. As expected, it had numerous faults, but I just cleared them all and rescanned it. It came up with the expected three faults - all relating to the after-market radio I have fitted. Most importantly, it does NOT have a P2279 code... 😃 Job done. 👍 Thanks everyone for your help and advice - this place is a great resource. Mike 😎