2007 XTERRA intermittent starting problems with ignition keys

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jjones601@gmail.com - 06 Dec 2007 02:07 GMT

Is this a common problem...anyone come up with a fix (Nissan service
couldn't help me)? I carry two keys now. Probably once per day I get
in to start the car and "nothing", engine doesn't turn over or
anything...dash activities/lights do come on though. At this point
the key won't start the key (remove, reinsert, ...). I've had good
luck putting the 2nd key in when in this state and then it generally
has started (engine turns over).

Any info or trouble shooting you've done would be helpful to solve
this problem.

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jjones601@gmail.com - 06 Dec 2007 03:21 GMT

On Dec 5, 6:07 pm, jjones...@gmail.com wrote:

> Is this a common problem...anyone come up with a fix (Nissan service
> couldn't help me)? I carry two keys now. Probably once per day I get
[quoted text clipped - 6 lines]
> Any info or trouble shooting you've done would be helpful to solve
> this problem.

Funny for those of you who like to experiment. I took the so called
"glove box only" key and just started the car which I was instructed
during the purchace wouldn't be able to do that :-) I'll drive some
with that key and see if it's more reliable. I haven't busted open
the black housing of one of the so called official ignition keys to
see the impressive technolodgy under the hood but my guess is that it
isn't very impressive or reliable in the "system".

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Jim Yanik - 06 Dec 2007 04:28 GMT

jjones601@gmail.com wrote in news:70e80af8-7ac9-4e54-bbad-
dec86bdcaf01@s8g2000prg.googlegroups.com:

> On Dec 5, 6:07 pm, jjones...@gmail.com wrote:
>> Is this a common problem...anyone come up with a fix (Nissan service
[quoted text clipped - 15 lines]
> see the impressive technolodgy under the hood but my guess is that it
> isn't very impressive or reliable in the "system".

Sounds like a WARRANTY problem.I would not go "busting open" any of the
keys,unless you want to get charged $100s for new keys.
The problem may not even be in the keys,but in the scanner/reader in the
dash.

there are RFID chips in the keys,and the scanner interrogates the chip,then
passes the code number to the ECM to compare to the stored programmed
code.Only with a match does the car start.

I've heard of cellphone towers interfering with the scanning;the cellphone
tower RF field may confuse the scanner or mask the key's return signal.
Maybe that's why the dealer is no help.They would need to have the car in
an area where a CP tower signal interferes before they "see the problem".

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Jim Yanik
jyanik
at
kua.net

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jjones601@gmail.com - 06 Dec 2007 04:43 GMT

> jjones...@gmail.com wrote in news:70e80af8-7ac9-4e54-bbad-
> dec86bdca...@s8g2000prg.googlegroups.com:
[quoted text clipped - 40 lines]
>
> - Show quoted text -

Thanks for response and info...I'm thinking. By the way when I went
to pick up the car at the dealer...I tried to start the car 3 times
and no luck...I then grabbed the service guy thinking hurray it's
repeating but when we got back to the car it started several times in
a row and wouldn't repeat :-(. Typical for those of you that trouble
challenging problems for a living. I'm hopeful, there's work to be
done yet.

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