I'm having problems with my 10P TD5 and I think it looks like a high fuel pressure issue. It's having trouble starting and when it does it sounds like only one cylinder firing and there's lots of white smoke out of the back. With time and a bit of revving it gradually improves until it's somewhat normal except the throttle response is pretty bad.
A few months ago it needed the fuel tank removing to get some welding done for the MOT. When they put it back together the fuel pump was broken and the garage later told me they'd since learnt that they should have priced in a new pump because they apparently always break when the tank is lowered (they made me pay for a new pump but labour was free (I'm not sure how much truth there was to this claim)).
I started having problems a while after that and I'd put it down to maybe dodgy glow plugs as it was getting colder. Most of them were broken but replacing them didn't change anything. Then I suspected the fuel return hose was blocked (I'd assumed something got dislodged while changing the pump) so I when to remove the valve and the fuel filter assembly dissolved so I had to replace that whole thing. I thought that would be the solution but it's still not any better. I'm not going to take it back to the garage because we didn't part on god terms. I'm thinking now I need to be doing one of the following:
1. Removing the fuel system hose in different places and running the purge cycle to try and isolate the problem.
2. Checking out the fuel pressure regulator (apparently I can't check fuel pressure here, what does the electrical connector do then?).
3. Removing the fuel tank to check out the pump (I have no idea what I'm doing here or how feasible this is).
The pump tends to whine a bit when started up but then tails off to a quieter, more consistent, sound. I was going to check the fuel pressure regulator next but searching for this most people only seem to have problems with it leaking rather than seizing up, which I'd suspected.
Can anyone share any experience?
A few months ago it needed the fuel tank removing to get some welding done for the MOT. When they put it back together the fuel pump was broken and the garage later told me they'd since learnt that they should have priced in a new pump because they apparently always break when the tank is lowered (they made me pay for a new pump but labour was free (I'm not sure how much truth there was to this claim)).
I started having problems a while after that and I'd put it down to maybe dodgy glow plugs as it was getting colder. Most of them were broken but replacing them didn't change anything. Then I suspected the fuel return hose was blocked (I'd assumed something got dislodged while changing the pump) so I when to remove the valve and the fuel filter assembly dissolved so I had to replace that whole thing. I thought that would be the solution but it's still not any better. I'm not going to take it back to the garage because we didn't part on god terms. I'm thinking now I need to be doing one of the following:
1. Removing the fuel system hose in different places and running the purge cycle to try and isolate the problem.
2. Checking out the fuel pressure regulator (apparently I can't check fuel pressure here, what does the electrical connector do then?).
3. Removing the fuel tank to check out the pump (I have no idea what I'm doing here or how feasible this is).
The pump tends to whine a bit when started up but then tails off to a quieter, more consistent, sound. I was going to check the fuel pressure regulator next but searching for this most people only seem to have problems with it leaking rather than seizing up, which I'd suspected.
Can anyone share any experience?
