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Very difficult diesel starting if cold.

2K views 2 replies 2 participants last post by  Agile 
#1 ·
I thought it was just failed glow plugs as thats what it was like but after checks today is not encouraging!

The control box is on the offside screwed to the rad header tank.

Contrary to what I thought, the glow plugs are being supplied with over 10v for the normal duration! All glow plugs are fine!

So what could cause poor starting just when cold? Until a week ago it was no problem. It seems starting at 10 C is impossible whereas at 14 C it was fine.

When it does start there is at first white smoke from the exhaust so there seems to be plenty of diesel getting to the cylinders!

The car seems sluggish at slow engine speeds but at motorway speeds it has plenty of power to cruise at 80+ mph.

The fuel consumption averages about 62 mpg with mixed London/motorway use. So no serious fault there!

Any suggestions for non starting when glow plugs are fine and diesel present?

Tony
 
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#2 ·
The glow plugs should only be needed when it's really cold - we're talking negative figures.

A Peugeot Planet diagnostic will probably give you a better idea as it checks all components, such as the glow plug relay.

But it could be something as simple as needing a new battery.
 
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