Vehicle & Technical > Discovery

Typical 300Tdi engine power problems ?

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barny:
Help ! After owning the disco for about a month now and towing with it for the first time last weekend i need to find all of the potential problems and get them sorted - fast !

Symptoms are :-

Only one really, the turbo cuts in at around 2200rpm !

Once up and spinning it pulls ok, not exactly strongly mind, but ok. But the "lag" is very aparent, and often quite dangerous as it plods along before picking up speed.

Does anyone know of any common faults, and more importantly ways of fixing or repairing them ? Ideally i'd like to know of any problems that could arise, not necessarily concentrating on the above fault.

Hope you can help

B  :(

Paul.K/LuckyTrucker:
Hi there, turbo lag is something you will have to live with. My 200tdi certainally pulls better between 2,000 and 3,000 rpm but it still pulls well below that. What they don't like are dirty fuel and air filters, I give mine a treat with a fuel addititve every couple of thousand miles and find it benefits from that.
The other usual problems are inner front wings, boot floor and leaking sun roofs. I nearly forgot dodgy manual g-boxes. Besides all that the Disco is the best car I have ever had, and I have had a few.
Best of luck  :wink:  :wink:

gords:
Remove the EGR valve, if it has one. That should make it respond slightly better at low revs - at least that was my personal experience!

Budgie:
Check the intercooler pipes for delamination on the inside and give the intercooler a clean out.
Run some injector cleaner through the fuel system and, as said above, change the fuel and air filters. I would also look at the sedimentor on the inside of the chassis behind the offside rear shocker. Be careful with the plastic screw in the base of sedimentor though, they have a habbit of snapping off!!

It maybe worth going to a diesel specialist and getting the timing and fueling checked, both can effect the power output of the engine if not set correctly.

SEDDEY:
When mine is cold it is a bit slug like but once up and running it pulls from the turbo at about 1800 to 2500/3000.

When towing, I have a avondale landranger, it seems to work just as well, possible a bit down on top end but fine where it matters.

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