Re: [Peugeot-L] 505 (XN6) Suddenly Died!

From: David A. Hueppchen <ojrallye_at_excel.net>
Date: 02/14/06

Hello Phil,

If you hadn't mentiioned Kjet, couldn't tell you anything....I don't know what an XN6
 is.
>I was driving my Wagon not far from my house (luckily) and all the sudden
>it
> lost power and would not restart.
>
> Fuel pump and K-Jet frequency valve still running when I tried to restart.
> Spark present. I took a jumper lead and rigged the cold-start injector
> with
> +12 volts and the car immediately started and ran rough at idle, but would
> die as soon as I opened the throttle. This seems to confirm the fuel
> supply
> and pump, as well as the spark.
>

The above confirms:
spark @ approximately the right time
compression
intake air
IT ALMOST IDLES ON FUEL FROM THE CSV
> It is still not running, and I cannot figure out why. It's as if
> something
> suddenly made the K-Jet stop spraying fuel.
>

The injectors require quite a few PSI. to open and spray.

A pressure gauge and 3 way valve is almost essential to work on CSI/Kjet. I almost always install a new fuel filter before testing Kjet.

Likely possibilties are:
Pump not getting enough fuel
pump not making enough pressure
pump can't pump enough through clogged filter

Yer welcome

Best Regards
David A.Hueppchen
OJ Rallye Automotive
Plymouth, WI USA
www.vclassics.com/ojrallye.htm
www.vclassics.com/ojrally2.htm

"Racing makes heroin addiction look like a vague wish for something salty."--Peter Egan

> Anyone have any ideas?!? I've never encountered this kind of a problem
> with the K-Jet system, and I'm wary of taking apart that intricate
> mechanical valve if the cause could be elsewhere....
>
> Thanks!
>
> -Phil
>

Recommended format for your email subject lines: Model # [Model Letters] Year Subject

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505 88 V6 Mileage
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    http://docs.yahoo.com/info/terms/   Received on Tue Feb 14 10:55:34 2006