2001 Volvo V40 Immobilizer problem

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John Smith - 12 Dec 2006 19:58 GMT

Hi I have intermittent problems starting my car. When I turn the key
to start the engine, the lights and dash lights all come on and then I
get the X through the car light flashing on my dash and the car won't
start. after 10-15 tries I might get lucky or if I turn it really
fast it will start. When it does start however, it takes a couple of
turns bc I think the fuel pump was cut off?

One weird thing... I had this problem before and it went away but when
I took it to get fixed, the guy disconnected my battery and it came
back. Is it inter-related? My battery is newer. about 1 year old?

Any ideas?

btw does anyone have a FR Headlight Wiper motor for sale?

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John Smith - 13 Dec 2006 12:06 GMT

> Hi I have intermittent problems starting my car. When I turn the key
> to start the engine, the lights and dash lights all come on and then I
[quoted text clipped - 10 lines]
>
> btw does anyone have a FR Headlight Wiper motor for sale?

Does it happen with both keys? If not, it could be the chip in one of
the keys is gone.

JS

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John Smith - 13 Dec 2006 16:25 GMT

This happens with all my keys actually... sometimes it starts and
sometimes it doesn't

> > Hi I have intermittent problems starting my car. When I turn the key
> > to start the engine, the lights and dash lights all come on and then I
[quoted text clipped - 15 lines]
>
> JS

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Mike F - 13 Dec 2006 14:34 GMT

The antenna ring, the receives info from the key chip is a weak point.
There's lots of info on this at groups.google.com, search on "antenna
ring"

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Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)

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John Smith - 14 Dec 2006 16:49 GMT

But I don't get why it's inconsistient. If the antenna ring is "weak"
then why does it work well sometimes and sometimes not? Is it weak to
begin with and something is interfereing with it? I talked to the
dealer and they said it could be the antenna ring or ignition coil.

I think it's the antenna ring also.

> > Hi I have intermittent problems starting my car. When I turn the key
> > to start the engine, the lights and dash lights all come on and then I
[quoted text clipped - 21 lines]
> Replace tt with t (twice!) and remove parentheses to email me directly.
> (But I check the newsgroup more often than this email address.)

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Mike F - 18 Dec 2006 14:47 GMT

> But I don't get why it's inconsistient. If the antenna ring is "weak"
> then why does it work well sometimes and sometimes not? Is it weak to
[quoted text clipped - 28 lines]
> > Replace tt with t (twice!) and remove parentheses to email me directly.
> > (But I check the newsgroup more often than this email address.)

Sometimes it's best not to ask why, that part will drive you crazy. It
may be because it's weak and in some areas and/or at some times there's
more outside interference than at others. Or the temperature could
affect it, or the way you park your car the magnetic field of the earth
could affect it. Just accept that it happens, and be thankful that it
has happened to many before you so that there's experience to help you
out.

Signature

Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)

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John Smith - 20 Dec 2006 15:30 GMT

Yeah it's weird... it usually fails in my garage or between -5 and 5
degree celcius. at +20 or -20 it starts with fewer problems. (it
still does it sometimes)

> > But I don't get why it's inconsistient. If the antenna ring is "weak"
> > then why does it work well sometimes and sometimes not? Is it weak to
[quoted text clipped - 43 lines]
> Replace tt with t (twice!) and remove parentheses to email me directly.
> (But I check the newsgroup more often than this email address.)

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Glenn - 15 Dec 2006 00:47 GMT

You need to see if there are any DTC's set which could help you narrow
down your failing part if it is the ant ring it is a little bit harder
then Volvo's other lines this takes about 2 hours to replace as the
steering wheel & various items have to be removed
Glenn

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"*-344-*Never Forgotten"
Is for the New York City Firemen who lost their lives on September 11,2001.
The official count is 343, but there was also a volunteer who lost his life
aiding in the initial rescue efforts. And I will never forget them as
long as I live,
nor should any American.

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