Vehicle & Technical > Discovery

Starting problems from cold.

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thermidorthelobster:
Is there an air mass flow meter on 300tdis?

Paul:

--- Quote from: jkseries on October 22, 2008, 11:15:35 ---EDIT: Sorry forgot to say it's a 300tdi auto. Thanks

--- End quote ---

I had this on a 300tdi auto and it turned out to be the pump timing, it was fine until it had a new cambelt fitted then I suffered poor starting when cold..

Worth a try and very simple to adjust, have a look HERE

Budgie:
What are pipes on the fuel pickup & return like on top of the tank?
I noticed problems starting on my 300 TDi, the pipes looked OK but one had a small hole in it that was sucking air into the fuel line when the vehicle was left overnight.
Once you got it started and drove it then there were no starting problems, until you left it overnight or for a few hours.
Eventually, in my case, the hole in the fuel feed pipe got a bit larger and I could see fuel on the underside of the tank. Replaced the pick-up & sender unit in the tank and all was well again, started first turn of the key without the need for the heater plugs.  :D

jkseries:
Brilliant guys thanks,

Not looking forward to having to buy a new injector pump.

I'm 'fairly' sure the pipes on the top of the tank are ok.  I did take the inspection plate off and have a look a while ago.

I was thinking it could be timing but obviously didn't do anything about it.

I'll keep on trying.

J

wrecker:
one thing to check on these 300tdi,

stand at the drivers side,look near fuel filter,you will see some pipes going to and from it,plus others,some pipes run across each other,get a helper to hold the pipes apart and watch for fuel spitting out,when cold

had it on my mates 300tdi last week and he changed glow plugs,lift pump and all that then i done above and could see it clear as day only when the pipes where help apart,not when they were rubbing.

hope this helps

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