snakewagon Posted June 9, 2013 Share Posted June 9, 2013 Hello Landie Folks. I have recently purchaded a 300tdi and it is evident that the fuel pump has been adjusted. I would like to have a knowledgeable person reset it as the engine runs too fast. I'm down on the south coast. Anyone know of a chap who can do it ? Also, when the revs are a bit high and the throttle is kept constant - e.g going uphill in 3rd, after a short while the engine coughs and a puff of white smoke is produced. Cooling levels are constant. Is an injector bad or perhaps the timing out? Quote Link to comment Share on other sites More sharing options...
simonb Posted June 11, 2013 Share Posted June 11, 2013 If the timing is out on a Tdi it will at best smoke all the time, at worst won't run. I would get the injectors checked first, check compressions 2nd ( or the other way round.. ) and then worry about adjusting the injection pump. Where on the south coast are you? Quote Link to comment Share on other sites More sharing options...
Phil Wilson Posted June 12, 2013 Share Posted June 12, 2013 I think you're heading down the right route: fuel\air mix incorrect. But the fact it's not running badly all the time leads me away from a timing problem. Have you checked the simple things first: Fuel filter clogged Air getting into fuel lines Air filter clogged Turbo about to fail Obstruction in, or the collapse of, an air pipe Fuel sedimenter (if fitted) faulty The fast running of the engine could be a number of things too. Have you checked the idle-speed adjustor? Mine came loose once, which almost saw me crash on a motorway slipway as I couldn't slow down! Quote Link to comment Share on other sites More sharing options...
Disco-Ron Posted June 12, 2013 Share Posted June 12, 2013 Fast idle could simply be the cable being too tight!! Quote Link to comment Share on other sites More sharing options...
snakewagon Posted June 16, 2013 Author Share Posted June 16, 2013 For the advice to date, many thanks. My location is Brighton in East Sussex. What I have done is filled up with fuel and added a bottle of Forte diesel treatment. I'll see what it does. Failing that I guess I'll have to have a mechanic test the pressure and injectors. Quote Link to comment Share on other sites More sharing options...
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