not a clue!
On Monday 05 Sep 2005 17:54, kenneth parker wrote:
kp> Certainly not diagnostically related, but are these the same kind of
kp> coils that are used in the BMW 525i?
kp> Ken
kp> On Sep 5, 2005, at 8:26 AM, Paul Strickland wrote:
kp>
kp> > Steve,
kp> >
kp> > This is a nasty problem !
kp> >
kp> > I had this same problem on an 85 N9T engine with only 1 ignition coil.
kp> >
kp> > It took me a few years until I just caught on to the problem.
kp> >
kp> > Same thing would happen. Car would run just fine and all of sudden
kp> > shut down. I would check for ignition and it was fine. Must be fuel
kp> > cut off. I checked all the wiring and it looked good.
kp> >
kp> > Then one time at night when the thing was running, I noticed a faint
kp> > glow from the high tension lead on the ignition coil.
kp> >
kp> > What was happening here was that the high voltage would snap over to
kp> > the primary side, the 12V input. and put a spike on the 12V. This in
kp> > turn, got into the injection ECU and cut off the fuel supply.
kp> >
kp> > I could prove this by just putting in a rolled up paper napkin between
kp> > the high voltage output and the 12 V. I could go forever and have no
kp> > problem. But remove the paper and at some random time, maybe in a week
kp> > or month, the car would shut down. I have since replaced the coil.
kp> >
kp> > This may or may not be your problem, but you have 6 coils.
kp> >
kp> > Paul
kp> > 85 gas turbo
kp> > 87 V6
kp> > Long Island, NY
kp> >
kp> >
kp> >
kp> > --- In peugeot-L@yahoogroups.com, "Steve Rodgers" <steve.rodgers@t...>
kp> > wrote:
kp> >> Hi, I'm almost at the end of my tether trying to figure out this
kp> >> problem - and if anyone here can help me out I would really
kp> > appreciate it.
kp> >>
kp> >> I've got a 98 406 coupe - 3.0 v6 manual. great car.
kp> >>
kp> >> bought it 3 years ago, and there has been an intermittent problem
kp> >> which has been getting progressively worse.
kp> >>
kp> >> basically, from time to time the car will stop pumping fuel for a very
kp> >> small amount of time - say a few seconds. really quite violent stop -
kp> >> as if the fuel pump has halted. then it comes back fine.
kp> >> the car has had about 60 hours of diagnostics at caffyns peugeot, and
kp> >> they can't find any faults.
kp> >>
kp> >> it gets worse though, the problem gets more frequent - e.g. every few
kp> >> minutes instead of every few days. then the car just stops completely.
kp> >> usually when I'm driving at full-pelt down the motorway, resulting in
kp> >> a freewheel into the hard-shoulder.
kp> >>
kp> >> once it's stopped it will not restart - again as if the fuel pump has
kp> >> gone. I get the orange engine-management problem light coming on.
kp> >>
kp> >> I disconnect the battery - by removing postive terminal - alarm goes
kp> >> off. reconnect battery - alarm still goes off. alarm will not turn off
kp> >> at all now - even with key.
kp> >> but, the engine works again. eventually after about 10 mins the alarm
kp> >> will stop its noise - really very anonying.
kp> >>
kp> >> the problem is that it's an intermittent problem and that I cannot get
kp> >> the car to the garage whenever it does happen, and they cannot
kp> >> reproduce it.
kp> >>
kp> >> the ECU doesn't store any faults.
kp> >>
kp> >> could this be a faulty ECU? - that's my gut feeling.
kp> >> has anyone experienced or heard of anything similar to this before?
kp> >>
kp> >> regards
kp> >>
kp> >> steve
kp> >
kp> >
kp> >
kp> >
kp> >
kp> >
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Received on Mon Sep 5 10:12:01 2005
