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300tdi surging revs and blue smoke???


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On my way home from college today my defender started surging violently on/off the power and puffing clouds of blue smoke, I made it home but it wouldn't go any faster than about 40mph.

The fuel was quite low so I thought it was perhaps drawing air into the system, so I filled it up and checked the fuel/air filters and bled the system through. But the problem still persists.

I have checked all the turbo hoses and have replaced the lift pump about 1000 miles ago. One thing I noticed is that fuel dosen't squirt out of the bleed screw on the fuel filter when the engine is running?

Does any of this sound familiar?

1997 300tdi 135,000 miles

James.

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On my way home from college today my defender started surging violently on/off the power and puffing clouds of blue smoke, I made it home but it wouldn't go any faster than about 40mph.

The fuel was quite low so I thought it was perhaps drawing air into the system, so I filled it up and checked the fuel/air filters and bled the system through. But the problem still persists.

I have checked all the turbo hoses and have replaced the lift pump about 1000 miles ago. One thing I noticed is that fuel dosen't squirt out of the bleed screw on the fuel filter when the engine is running?

Does any of this sound familiar?

1997 300tdi 135,000 miles

James.

That does sound familiar but as I've said on here before I know very little about Diesels.

That sounds like what happen to someone I knew who had an Escort Diesel, his problem was engine breathing resulting in the engine sucking some of it's oil into it's intake system. In the end it was using more Engine Oil than it was Diesel and generating lots of blue smoke.

I don't even know if this is possible with a Land Rover but your symptoms sound identical to his early stages of the problem, it took ages for it to become obvious what the problem was to him.

Hopefully someone else can confirm if this is possible and if so what to check.

Colin.

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Update:

Still having the same fault, I have used the diesel diagnosis chart and checked all of the possibilitys but didn't find anything. One thing I have noticed is that if you bleed the fuel system, take it for a run and pull over when the fault occurs, there seems to be a lack of fuel at the filter as you have to pump the lift pump serveral times before the fuel squirts out of the bleed screw and it also bubbles a bit of air?

The hand lever on the lift pump doesn't feel very positive when pumping, so before I replace the lift is there a sure way to check that it is broken? Dis-connect the stop solonoid and crank the engine over with the filter bleed screw removed??

James.

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Yea, thats what I'm thinking too. I replaced it about a month ago with a bearmach one which didn't look the best of quality, and the chap I brought it off said to bring it back if it leaked when I fitted it as they had been having trouble with some faulty ones :rolleyes:

I am planning to replace it with a delphi unit as the genuine landrover ones will no doubt be very expensive!

James.

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