Excessive cranking...

[renault12ts]

...to start the car in the morning, especially if it faces up the drive rather than down.

The plastic pipes and seals were replaced about 15000 miles ago.

Glow plug warning comes on for about 6 seconds and then goes out as you'd expect.

Any suggestions as to likely causes?

 

[BlackC55]

Air in the fuel again I expect.

 

[Dieselman]

Possibly due to worn injectors allowing leak back.

 

[John]

I completely misread the title of this one.

 

[davidjpowell]

Possibly due to worn injectors allowing leak back.

Ours was ok when cold, but diabolical when hot with a worn injector.

 

[c5jganno]

Injector leak of test required to see if any injectors are faulty, you can see if any air in pipes by looking at them while cranking. Gannon's Mercs & Prestige hertford