Netres availability

[Programmer]

Actually just had one in the shop with these symptoms...
Bad plug wire and burnt through ignition rotor...just a thought.

Lyndon

-- Original Message -----
From: "Dan Griffin" <slowfatslug at hotmail.com>
To: <gmecm at diy-efi.org>
Sent: Sunday, August 12, 2001 5:24 AM
Subject: Re: Netres availability


> After checking timing, #1and 4 cyls avg. near the mark most of the time..I
> couldnt get it to backfire in the driveway but it does have a rough idle
and
> stumbles when I rev it up..timing mark does dissapear corresponding to
> stumbles...I cant tell if it retards or advances, its hard to see with
that
> idler pully in the way.. just messing around, I hooked light to #3 wire...
> normally I shouldnt see timing mark right? Well I did occasionally, again,
> only corresponding to stumbles...
> With light hooked to coil wire and aimed at tbi, fuel spray appears cone
> shaped exept during stumble... then its spit shaped kinda....It looks like
> Ive got 2 things going on at once here... I wish it would run at 50 rpm
> idle, everything moves so damm fast!
> Ill swap ecms later to rule out non ecm problems, bad wire, inj. valve,
> etc...although last time I had '165 in it, aside from usual viruses, it
ran
> normally...
> btw, changing "RPM thres. for PE" to FF  made no diffrence...
>
> Also, found a dealer on Merrit Is. who can get a calpak, but he wants a
> part# and type of car.. Seemed like I heard somewhere they made a skylark
or
> skyhawk 1 year '87?? that had a 2.5 4cyl 1 tbi with a '730 in it... I
dunno
> if it had a removable calpak though...
>
>
>
>
> >     Maybe.. And bad plug , wire , valve , rocker , dirty inj. etc.
> >     Ignition problems cam mimic fuel problems .
> >     Len
> >
> > >I'm sure I'll be corrected if I'm mistaken, but I thought backfiring
was
> a
> > >sign of running too lean.
>
>  Will check plugs when I swap ecms later....
> Dan
> > >
> > >Gerald
> > >
> > >
> > > > changing spark tables had
> > > > no effect on
> > > > backfiring issue...
> > > >
>
> --------------------------------------------------------------------------
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