Vehicle & Technical > Defender

Somethings wrong, 200TDi PLEASE

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zulublue:
I started my D90 200TDi up the other day it started straight away but I got a lot of black and White smoke coming out of the exhaust, I left it ticking over for about 30 seconds then gradually revved it up, the engine seemed slow to respond, I decided to give it a gentle run out. after about a minute the smoke decreased loads but the throttle responce was still slower than normal, I thought it was just the cold and carried on driving, gradually it got better but not 100% when I returned home the sound of the coming from the exhaust did not sound normal, I thought something was knocking, I lifted the bonnet and the engine was vibrating more that it should, I had no time to do anything so left it.
The feeling I got reminded me of when I hydrolocked the engine, so I removed the air filter in case it was blocked and checked oil trap to see if it was clear, I have a bit of oil in the end of the pipe from the trap but it also have a very tiny bit of water and the oil on the wall of the pipe had gone grey, I remove the air filter which had about 2 teaspoons of water in the top section, nothing below from the snorkel to the filter, I checked my water level but I had lost nothing.

Baffled by this I took it to a friend who said he thought it was the injectors, he said if I run the engine then loosen the injector pipe if the engine alters then that injector is fine, if nothing happens it shows that the injector is not working, pretty simple I thought.

So I started it up and slightly undone the 1st injector nearest the front of the truck (sorry don't know if they have a number associated) the engine started to stall, I tightened it back up and moved on to the second one back, same again from the engine, but not quite as bad, I moved on to the third injector released it and nothing happened the engine stayed the same, I closed it and moved to the last one nearest the bulkhead and very little change but more than the previous one, I closed this up and retested #3 and nothing again.

Can someone confirm that my findings are correct, is it normal to get a little water in the top of the air filter box in cold weather? I do have a set of spare injectors off my original defender engine which I changed  (Block only) for a disco unit about a year ago, are the disco 200 and Defender 200 injectors the same?

JIMBOBLY:
just a shot in the dark mate,but it sounds like either the cambelt could of slipped a tooth,or one of the tappet adjusters may of come loose,which can happen if the gap isnt set right,as ive have had it happen to me,and maybe a pushrod has jumped out,but with the smoke i'd say its the first, :-k

L90OOK:
Are the injector pipes tight at the pump end too?
Could be the fuel filter need changing  :-k
Have you been running veg oil in it?

zulublue:

--- Quote from: JIMBOBLY on January 20, 2009, 22:45:23 ---just a shot in the dark mate,but it sounds like either the cambelt could of slipped a tooth,or one of the tappet adjusters may of come loose,which can happen if the gap isnt set right,as ive have had it happen to me,and maybe a pushrod has jumped out,but with the smoke i'd say its the first, :-k

--- End quote ---

Good point about the cambelt slipping, the belt is about 12 months old and had a new tensioner at the same time, but I am swinging towards the injector at the moment.

I will check the pipes at the pump end but I think they are OK, the fuel filter is 12 months old fitted it with the engine I put in and has done 1K in the last year, and I have never used veggie oil.

craig_midz:
i had this on mine an it was the injector pump not the injector just an idea swap the 3rd injector for say the first one an do the same test as b4 if u get same results id be lookin towards the injector pump cuz if cambelt had slipped a tooth surely it would be a pain to start or smoke loads an not go

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