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landymanmel90

landymanmel90

New Member
Posts
255
Location
wales
HI ALL......
My nephew has a 97 300tdi he has had it for about 8 months but lately his landy has been playing up.
He has taken it to our local landy guy and he had a quick look at it and dosent know what the problem is...so any help would be very much appreciated tnks...

It has 2 problems dont know if the 2 probs are related but both have started at the same time.
(prob 1)
It is a bugger to start first thing in the morn needs 2 batt on it, he has changed his batt but it still needs 2 to start it first time.
Starts up ok any other time.....
(prob 2)
Its smokes on first start up but its ok after that apart from if he holds the revs at 2k......
Go 2.5k and smoke clears, drop to 1.5k and smoke clears, only smokes at 2k
It is blue smoke which i know is oil.
OH and it also smokes on overun but only after a long time like when we go green laning and going down hill slowly using the engine to slow down.

Its had new belts, new heater plugs, inject cleaner run through, new filters and fuel pips cleaned out.
So guys any advice here would help and we will try go through em...
thanks..:confused:
 
landymanmel90 said:
HI ALL......
My nephew has a 97 300tdi he has had it for about 8 months but lately his landy has been playing up.
He has taken it to our local landy guy and he had a quick look at it and dosent know what the problem is...so any help would be very much appreciated tnks...

It has 2 problems dont know if the 2 probs are related but both have started at the same time.
(prob 1)
It is a bugger to start first thing in the morn needs 2 batt on it, he has changed his batt but it still needs 2 to start it first time.
Starts up ok any other time.....
(prob 2)
Its smokes on first start up but its ok after that apart from if he holds the revs at 2k......
Go 2.5k and smoke clears, drop to 1.5k and smoke clears, only smokes at 2k
It is blue smoke which i know is oil.
OH and it also smokes on overun but only after a long time like when we go green laning and going down hill slowly using the engine to slow down.

Its had new belts, new heater plugs, inject cleaner run through, new filters and fuel pips cleaned out.
So guys any advice here would help and we will try go through em...
thanks..:confused:
Click to expand...

when it's a bugger to start and needs 2 batteries, does it crank over for ages or does it struggle to turnover at all?
 
have ya checked your getting 12v to the glowplugs?
or even bridge a wire from the battery pos to the glowplug rail for 8 secs, if it fires up straight away after you know where to stasrt looking:D
oh and check the glowplugs. new ones have been known to fail.
 
had similar starting probs on 200tdi in my series.......check earth straps, remove clean and replace connections......this helped on mine but didnt solve the problem....turned out to be corroded feed cable to the solenoid, (high resistance), replaced this with new and problem solved. You can check to see if this is the problem by running a jump lead from the solenoid to the battery.

Dont know about the smoke but isnt this around the rpm the turbo kicks in? Oil seal?
 
Thanks for quick reply guys..

Yes (ratty) it spins over quite fast and for a long time so batt seems to be ok but it just wont start unless 2 batts inline it also smokes when turning over.

(gegs88) Sounds like a plan i will do that tomorra n let ye know tnks.

(bb) We come to that conclusion too was wondering if the turbo had a leak maybe will look inside hoses tomorra too.
 
i would check the glow plugs mine was doing this,had to jump it every morning would cranck over for ages before firing up with heaps of smoke,but then would start easy all day,it had new glow plugs fitted last year,took them out to check them only one was working,fitted new ngk ones starts fine now..maybe not your prob but along the same lines..
 
Find that odd as mine is starting without glow plugs(there not wired up) in belwo 0. Althou every engine is different. Would the 97 not have edc pump and injector on it. Just a thought but are all the injectors fine, ie misting as they should. As for the blue smoke, my turbo is completely pooched. Its smoke like hell on start up, and lets out aload of blue when reved. But then clears on tick over. Landies you got to love them
 
landymanmel90 said:
Thanks for quick reply guys..

Yes (ratty) it spins over quite fast and for a long time so batt seems to be ok but it just wont start unless 2 batts inline it also smokes when turning over.

(gegs88) Sounds like a plan i will do that tomorra n let ye know tnks.

(bb) We come to that conclusion too was wondering if the turbo had a leak maybe will look inside hoses tomorra too.
Click to expand...

If it's turning over fast enough it's not a battery or starter problem - probably.

If it needs turning over for a long time before firing it's most likely to be either duff glowplugs or the glowplug circuit (relay, wiring etc); or bad fuel supply.

Even though you've had new plugs, as a process of elimination I would be whipping the 'plugs out in turn and check that they glow red almost immediately, if they do then you are left with a fuel problem.

Often starting issues like this are caused by the fuel leaking back to the tank, so it takes ages for the lift pump to get fuel back to the injector pump, to fire up the car. To correct this I would be replacing the lift pump - Paddocks do one for about £17+vat - and also as previously mentioned, cleaning out the fuel sedimentor.

On the blue oily smoke front - clean out the intercooler and it's connecting pipes.

Good luck

Dave
 
200tdi will start with stonecold glowplugs even in winter on 75% vegoil. it int the glowplugs.. lack of fuel/air, low compression or timing fault are the most likely causes.
 
redhand said:
200tdi will start with stonecold glowplugs even in winter on 75% vegoil. it int the glowplugs.. lack of fuel/air, low compression or timing fault are the most likely causes.
Click to expand...

forgot to warm the plugs on my 200tdi this morning (-8 when i got into work) and the engine only cranked a few times before starting in the usual puff of smoke :)
 
redhand said:
Same engine. Well near enough not to matter. Do't know about the later 300's with ecu etc but earlhy ones start without waiting for Glowplugs to heat.
Click to expand...



Certainly a similar engine, but thinking about the way a diesel compression engine works, even if it is possible to start one without 'plugs, they do start easier with them and as they are provided, why not use them. Saves you having to turn the engine over for longer especially first thing on a cold morning.

Now as for the problem at hand, I still reckon it might be 'plugs, but as I said it could also be fuel in the form of leak-back or a duff liftpump.
 
with the blue smoke aswell as the turning over for ages it sounds like possibly lack of compression due to worn piston rings could be hindering it starting.

As already said, check the glow plugs. Another thing that I would do before spending money is to try priming the fuel system with the hand primer prior to attempting to start the vehicle. This should help eliminate fuel leakback as being the fault.
 
Hi,
I had a 97 Tdi in Zimbabwe. Temps there midwinter were about +5. Always started 1st turn until about the 5th winter I was there. Found that ALL 4 plugs had died. I think as long as one is working, it will fire and the others then kick in. So I agree that checking the glow plugs is a good idea.

Fuel lift pump problems are extremely common in my experience, so that could also contribute.

Cheers!
 
Graham Carter said:
Hi,
I had a 97 Tdi in Zimbabwe. Temps there midwinter were about +5. Always started 1st turn until about the 5th winter I was there. Found that ALL 4 plugs had died. I think as long as one is working, it will fire and the others then kick in. So I agree that checking the glow plugs is a good idea.

Fuel lift pump problems are extremely common in my experience, so that could also contribute.

Cheers!
Click to expand...


Us lot over here have had -20 in some places :rolleyes: :welcome2:
 
"OK" thanks all for advice is much appreciated...
Didnt try the heaters this morn as he had already started it by time i got there will try them in the morn...
Removed top hose from intercooler so inlet was only sucking in fresh air it smoked just as much as b4 so ruled out turbo.

"BUT" while hose was off standing right infront of engine i could here the pop pop from the inlet but also herd a bad sound while it was sitting at 2k revs, engine was missing and running very rough didnt sound very nice at all .
Thinking valves or something.

Going to get a pressure test done next couple o days .

A guy told us it maybe piston bore scoring, happens on the 300s...?( is it commen)?
Maybe that would give low compession and bad starting.

Anyway he said if its bad he gonna buy another disco if it is.
TNKS ALL FOR THE HELP:clap2:
 
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