Have you checked codes from the Motronc ECU? If so, what codes are
being thrown?
Quoting blade44m <zaphod44@earthlink.net>:
> Hey guys,
>
> After a few weeks of working on my new 405 Mi16's rough idle, I'm
> about to throw in the towel and take it somewhere. Several helpful
> listmembers have suggested various things to check, but I've done
> all I know how to do. The deal is that the car runs pretty darn good
> at speed. But at idle, it runs real rough, like it's on 2 or 3
> cylinders. It also pings at high engine speeds if I'm hard on the
> gas. Because of this, I haven't smogged it yet. Here is what I've
> done to the car, if you have any suggestions, please let me know!
>
> New plugs, plug wires, distributor cap and rotor. New O2 sensor. The
> fuel filter was temporarily eliminated to make sure it wasn't the
> problem. I sent out the injectors for cleaning. They came back and
> the flow rate/pattern is now perfect, according to the folks who did
> them.
>
> From my good running 405 AND my parts car, I have swapped in the
> following parts with no difference. Air box with air flow sensor,
> throttle position switch, idle control valve, coil, fuel pump, fuel
> pressure regulator.
>
> I purchased a fuel pressure tester. At idle, the fuel pressure is
> around 41 PSI. With the regulator unplugged, it goes up to 44. At
> part throttle, the fuel pressure is 35 PSI.
>
> If there are any last things I should check before I give up, please
> let me know! There's usually not much I can't fix on cars, but this
> one has me stumped. If I can't get her running this weekend, I'm
> going to take it to Cerrone's European (right near my work
> fortunately) during the week. If it comes down to that, I guess I'll
> just have to lie back and think about England and hope the bill
> isn't too high! Thanks all!
>
>
>
> Recommended format for your email subject lines:
> Model # [Model Letters] Year Subject
>
> Examples:
> 505 88 V6 Mileage
> 405 Mi16 89 Ignition Coil source?
> ************************************************
> To unsubscribe from this list send a blank email message to
> PEUGEOT-L-UNSUBSCRIBE@EGROUPS.COM
> ************************************************
>
> Yahoo! Groups Links
>
>
>
>
Received on Sat Feb 16 13:58:42 2008
