02jcole Posted March 7, 2009 Share Posted March 7, 2009 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. Quote Link to comment Share on other sites More sharing options...
western Posted March 7, 2009 Share Posted March 7, 2009 could be a duff lift pump. in the tech archive index is a diesel & petrol engine fault diagnosis chart have a look at those & work through the diesel chart to find the fault. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted March 7, 2009 Share Posted March 7, 2009 Fuel won't squirt out of the filter bleed while the engine is running - it'll suck air in instead. It'll only bleed out if you hand prime it with the engine off. Les. Quote Link to comment Share on other sites More sharing options...
SacredDog Posted March 7, 2009 Share Posted March 7, 2009 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. Quote Link to comment Share on other sites More sharing options...
02jcole Posted March 10, 2009 Author Share Posted March 10, 2009 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. Quote Link to comment Share on other sites More sharing options...
western Posted March 10, 2009 Share Posted March 10, 2009 does the vehicle have a uel sedimentor under the right rear wheelarch, if this is partially blocked it could cause these type of faults Quote Link to comment Share on other sites More sharing options...
02jcole Posted March 10, 2009 Author Share Posted March 10, 2009 No it doesn't, I have also drained and flushed the diesel tank, and there was very little crud in there. James. Quote Link to comment Share on other sites More sharing options...
western Posted March 10, 2009 Share Posted March 10, 2009 I'd plump for the lift pump as duff or faulty then, easy to replace just 2 bolts & the 2 fuel lines. Quote Link to comment Share on other sites More sharing options...
02jcole Posted March 10, 2009 Author Share Posted March 10, 2009 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 I am planning to replace it with a delphi unit as the genuine landrover ones will no doubt be very expensive! James. Quote Link to comment Share on other sites More sharing options...
western Posted March 10, 2009 Share Posted March 10, 2009 300Tdi fuel lift pump here Quote Link to comment Share on other sites More sharing options...
02jcole Posted March 10, 2009 Author Share Posted March 10, 2009 Thanks Western Quote Link to comment Share on other sites More sharing options...
jason110 Posted March 10, 2009 Share Posted March 10, 2009 just wondering, have you checked the oil level in the sump? just to make sure its not using oil ? jase Quote Link to comment Share on other sites More sharing options...
02jcole Posted March 17, 2009 Author Share Posted March 17, 2009 Found that the cause of the problem was a faulty lift pump, fitted a newone and the problem has gone away. James. Quote Link to comment Share on other sites More sharing options...
western Posted March 17, 2009 Share Posted March 17, 2009 a victory to us then, good to know it's running properly again. Quote Link to comment Share on other sites More sharing options...
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