peugeot 406 sri turbo turbo not working

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tazz1977 - 19 Mar 2005 04:59 GMT

Please can some one help me?

I was driving my car (406 Sri Turbo petrol) and while accelerating the
car back fired and now I have very limited turbo (the boost is there
but not as good). I have checked all of the hoses and I can?t find any
that are cracked or not connected. you can still hear the turbo spin
and the dump valve release a little whoosh but there is no power.
I was wondering whether it would be the waste gate servo or something
along those lines

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Dave Spam - 19 Mar 2005 15:54 GMT

> Please can some one help me?
>
[quoted text clipped - 5 lines]
> I was wondering whether it would be the waste gate servo or something
> along those lines

I would say that the exhaust is clogged. Either the cat (if present) has
collapsed or the back box is clogged up.
Dave

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Fitzy - 19 Mar 2005 19:57 GMT

Check large hoses or pipes, sometimes they can blow off
Fitzy

>> Please can some one help me? I was driving my car (406 Sri Turbo petrol)
>> and while accelerating the
[quoted text clipped - 8 lines]
> collapsed or the back box is clogged up.
> Dave

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G.T - 20 Mar 2005 12:06 GMT

Hi,

> Check large hoses or pipes, sometimes they can blow off

And perhaps the engine check light is on... BTW, 406SRI Turbo : 2.0l turbo
148HP ?

Regards,
G.T
g.t6@worldonline.fr
205 Diesel & turbo-Diesel : http://205d.fr.st

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tazz1977 - 20 Mar 2005 18:29 GMT

> Hi,
>
[quoted text clipped - 7 lines]
> g.t6@worldonline.fr
> 205 Diesel & turbo-Diesel : http://205d.fr.st

I have checked the hoses all ok

How do I check the cat

It is a 2.0 turbo 150 BHP

also before my engine back fired, the engine light used to come on
when the engine was under load just after 3000 or so revs But if I
eased off the pedal the light would go off and if you continued
accelerating the engine would die for a second then continue
accelerating as normal, which was annoying

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G.T - 20 Mar 2005 20:42 GMT

Hi,

> It is a 2.0 turbo 150 BHP

Ok then. Just there wasn't any SRI here. Here it was called a Turbo CT (I've
heard it was for "Constant Torque").

> also before my engine back fired, the engine light used to come on
> when the engine was under load just after 3000 or so revs But if I

I was assuming the diag light was coming :-)

> eased off the pedal the light would go off and if you continued
> accelerating the engine would die for a second then continue
> accelerating as normal, which was annoying

Just a thought or two : check ECU & coils connections. Could it be a burnt
coil pack ? No, you wouldn't start. But I'm guessing of some kind of
misconnection in the engine loom which would force the engine to run into
limp mode.
I also like the idea of a clogged exhaust or cat, but have no clue on how to
check it.

HTH,
G.T
g.t6@worldonline.fr
205 Diesel & turbo-Diesel : http://205d.fr.st

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Dave Spam - 21 Mar 2005 00:57 GMT

<snip>

> I have checked the hoses all ok
>
> How do I check the cat

Go to any MOT station and ask them to check that the catalyst is
working. It's a standard part of the MOT for more recent cars.
Dave

> It is a 2.0 turbo 150 BHP
>
[quoted text clipped - 3 lines]
> accelerating the engine would die for a second then continue
> accelerating as normal, which was annoying

Oh err, ask your local dealer to check the engine management codes??

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Nom - 22 Mar 2005 14:12 GMT

>> Hi,
>>
[quoted text clipped - 19 lines]
> accelerating the engine would die for a second then continue
> accelerating as normal, which was annoying

Visit your local Peugeot dealer, and pay them to read the engine management
codes. Without knowing the fault code, you can't rectify the problem :)

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