I know it's not a 6, but thought I'd post up on here as it is a 306. Anyway, I've been having cold start issues with my 306 DT (Phase 1) for last few weeks.

Changed the glow plugs a couple of weeks back as assumed that was my cause, but problem still there.

Sometimes it will take ages and numerous attempts to get her started. Other times, like this morning, I turned ignition on, then off after glow plug light went out, and repeated this about four times and it kicked over straight away. Soon as she's warm then she will start without a problem.

I've also been trying to use a mini set of jump leads, one end on glow plug and other on positive battery terminal but don't know if this is even helping as I don't get a spark when I touch the battery terminal.

Couldn't be glow plug relay? Glow plug light comes on ok and goes out. Also, when ignition is switched on there is a faint constant hum which I'm sure is just normal where power is switched on for glow plugs and they're heating up, right?

Worth mentioning that my alternator is buggered as battery light is on faintly constantly but I have another one to fit at the weekend.

Any suggestions would be awesome guys!

Where would temp sensor be?

Not entirely sure what leakoff pipes are but sure it's glow plug related.

Battery not weak, had same problem when I put my mates brand new fully charged Bosch on. Problematic to start when cold.

my hdi misfires from cold for about 3-4 seconds, also battery is dying as i get the dials spinning around when it's really cold when i first start it up. gona change battery and glow plugs and see if that sorts it. £10 each the glowplugs

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306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]

That wouldn't have made a difference at all mate.

The leak off pipes by the way are the small pipes which join all the injectors together. They take any excess fuel from the injectors and put it back to tank.

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone

I think my glow plugs are actually duff (even though they are only couple of weeks old).

I tried a new thing today. Turning ignition on and waiting for glow plug light to go out. Then I turn ignition off and repeat the process about three or four times.

When I go to start it after the light has gone out the fourth time or so, starts on the button.

Seems to suggest to me that glow plugs are shagged?

probably, go have a look...

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Bring on the Trumpets.