Isuzi smoking problems

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Mac - 19 Apr 2006 19:36 GMT

Hi everyone,
looking for some advice about a problem I am having with my 2.8
Trooper. Diesel turbo intercooled with 70k on the clock.Starts on key
first hit runs smooth and well through the auto box. The problem occurs
after a long drive of say over two or three hours. After stopping and
leaving overnight when I start up in the morning although the tooper
starts straight away I get hugh clouds of white smoke for about 10
seconds. It soon clears but this is driving me crazy.
On short runs no problems, no smoke whilst running either. If I restart
immediately after a long run the problem doesnt occur until the morning
after...any suggestions please!

Thanks,

Mac

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Huw - 20 Apr 2006 09:41 GMT

> Hi everyone,
> looking for some advice about a problem I am having with my 2.8
[quoted text clipped - 8 lines]
> restart immediately after a long run the problem doesnt occur until
> the morning after...any suggestions please!

Your starting aid, be it thermostart or glowplugs, are faulty. This is a
direct injection engine but still might have glowplugs to allow smoke free
starting. If it is only an intermittent problem then there could be a
control circuit problem, possibly a relay that is faulty.

Huw

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Mac - 20 Apr 2006 20:51 GMT

> > Hi everyone,
> > looking for some advice about a problem I am having with my 2.8
[quoted text clipped - 13 lines]
> starting. If it is only an intermittent problem then there could be a
> control circuit problem, possibly a relay that is faulty.

Sound advice, will check the relays and heater plugs.

Thanks,

Mac

> Huw

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Diverman - 27 Apr 2006 20:03 GMT

Check you're not losing coolant.
It may be coolant seeping into the cylinders when left overnight.
White smoke is usually water/steam.

--
Diverman

> > > Hi everyone,
> > > looking for some advice about a problem I am having with my 2.8
[quoted text clipped - 21 lines]
> >
> > Huw

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Mac - 28 Apr 2006 18:56 GMT

No loss of coolant. Have checked out all the relays and QOS timer and
all ok. Have at last found out a direct short in one of the heater
plugs. No wonder the fusable link has blown! One question though, the
thermostat controlling the timer on the heater plugs swithes at a very
low temperature, nearly freezing. This is not what it says in the book,
it should be 56degrees. Hence my plugs very rarely come on at all. My
Trooper is a Japanese import, would they have a different thermostat
rating?

Thanks,

Mac

> Check you're not losing coolant.
> It may be coolant seeping into the cylinders when left overnight.
[quoted text clipped - 29 lines]
> > >
> > > Huw

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