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Starting issue on a 300Tdi


Henk Coetzee
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Over the past while my Disco has had to sleep outside in the driveway.

Since it got colder (or thereabouts) I have noticed an issue when

starting up. It coughs on the first crank but doesn't start and then

takes a bit of cranking to get it going. Once the motor starts it runs

like a dream, is as powerful and economical as ever. Restarting after

this wasn't a problem until yesterday. I've been on a course at a

place which involved parking on a slope with the nose facing up (much

the same as my driveway, although a fair bit steeper). On both days

it's also taken a fair amount of cranking to get the motor going. The

other restarts have been largely on level ground.

My immediate thoughts are:

1. Cold weather, although the past two afternoons tend to suggest

something else.

2. Lift pump struggling.

3. Blocked fuel filter.

I reversed up the drive this afternoon to see if this is related to

the gradient.

Any ideas?

Henk

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Over the past while my Disco has had to sleep outside in the driveway.

Since it got colder (or thereabouts) I have noticed an issue when

starting up. It coughs on the first crank but doesn't start and then

takes a bit of cranking to get it going. Once the motor starts it runs

like a dream, is as powerful and economical as ever. Restarting after

this wasn't a problem until yesterday. I've been on a course at a

place which involved parking on a slope with the nose facing up (much

the same as my driveway, although a fair bit steeper). On both days

it's also taken a fair amount of cranking to get the motor going. The

other restarts have been largely on level ground.

My immediate thoughts are:

1. Cold weather, although the past two afternoons tend to suggest

something else.

2. Lift pump struggling.

3. Blocked fuel filter.

I reversed up the drive this afternoon to see if this is related to

the gradient.

Henk

I had a issue on starting my 300tdi the problem was sorted by changing the fuel filter and draining the rear filter it was full of some yellow gunk. poss lift pump. long shot could be the tank has it ever been replaced?

Good luck

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Hi, mine had the same problem, after changing the fuel filter (which had a nice green growth of moss on it) and putting an earthing strap from the battery to the engine it never failed to start (20 degrees below, i live in scotland).

Hope this is some help.

Regards, Rocky

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Not sure if it applies here but P38's used to have problems with hot starts. Problem was caused by fuel draining back to the tank. Maybe you have the same problem when parked facing uphill. LR fix was to insert a one way valve into the fuel line to prevent the fuel draining back.

Rgds

Ivan

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