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slow car-how to test cis-e/ignition?
- Subject: slow car-how to test cis-e/ignition?
- From: abatzis2@hotmail.com (Michael Abatzis)
- Date: Thu, 24 Apr 2003 02:37:41 +0000
yeah, rick's right. sort of forgot that the pumps aren't what regulate fuel
delivery. i quick tested the injectors, they looked ok. measured fuel pump
outputs today, both were fine. replaced the transfer pump anyway b/c it was
making noise. didn't help. i think my fuel delivery is ok, though i haven't
measured injector output or actually hooked up a pressure gauge. i might
later. tomorrow i think i'll replace my knock/fuel ecu's and icu. i have
spares, and it's easier than testing them. i don't think that's it though.
the fact that my car, other than being slow (real slow), runs GREAT, is
frustrating and tough to troubleshoot. i feel like i'm running out of steam
on the high end. for all the world this feels like a timing issue (you know
how if you're off a tooth, you're slow but the car still runs ok?) but i've
checked a few times now. and the problem is constant, so it's not like it
sometimes runs full speed. i guess i can just replace my coil and dizzy too.
that will pretty much be the whole ignition system (except knock sensor
itself. hmm. i wonder how to test that...). any other guesses here guys? i
would LOVE for everything on this car to work right for just a week or so.
is that too much to ask?
-Michael Abatzis
Hotlanta! GA-->Soon to be New Orleans!
1988 Scirocco 2L 16v RIP-->parting, finally taking orders:
www.learnlink.emory.edu/~mabatzi/mikes_page1.html
1987 Scirocco 2L 16v...
>From: Ron Pieper <rapieper@yahoo.com>
>First, Rick is right.
>
>Second, can you do the same trick on CIS-E as CIS?
>-Pull all injectors and point into a jar
>-remove air boot over metering plate
>-jumper FP on
>-lift plate with magnet (then watch them all spray!)
>-then get scientific and measure flow one-at-a-time to see if they're all
>equal and within spec
>per Bentley.
>
>I haven't followed this thread, sorry if I'm repeating...does this help?
>
>Ron
>
>--- Rick Alexander <ralexander03@snet.net> wrote:
> > Follow the pressure test as outlined in the Bentley. The pump puts out
>no
> > more fuel at full throttle than at idle.
> >
> > Rick Alexander
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