ignition problems (i think) somebody please help!!!!

[Ed Kellock]

Have you done anything with the oxygen sensor?

If not, just unplug it and go for a drive and see how she runs.

Ed

> -----Original Message-----
> From: quattro-bounces at audifans.com 
> [mailto:quattro-bounces at audifans.com] On Behalf Of donald grady
> Sent: Wednesday, December 17, 2008 7:09 PM
> To: quattro at audifans.com
> Subject: RE: ignition problems (i think) somebody please help!!!!
> 
> 
> 
> now i just took a desperate drive to the store, and it ran 
> like crap for the first 1km or so and then it cleared up and 
> the only problem was the 3000 cut out. i hate intermitten 
> problems!!!!> Date: Wed, 17 Dec 2008 16:51:17 -0500> From: 
> audi at humanspeakers.com> To: audilvr at hotmail.com; 
> quattro at audifans.com> Subject: Re: ignition problems (i 
> think) somebody please help!!!!> > (Please keep replies on 
> the list)> > Have you checked the timing - cam vs crank?> > 
> Plug wire condition?> > Ground wires at intake manifold?> > 
> The so-called "spare" fuse(s) in the side of the fusebox, 
> that supply > the CIS system?> > Check the cat for broken 
> guts.> > Check all "vacuum" lines for leaks.> > donald grady 
> wrote:> > i've tried 3 different fuel meters, new fuel 
> filter, swapped the coil, > > plugs,timing belt(it was nasty 
> when i checked it),rotor button, coil > > wire.the idle 
> switch is working. the distributor is still factory set > > 
> with the cover over the bolt. i even checked the dist. shaft 
> for play, > > but none.i,m out of idea's.a 20v is going in 
> this spring....may have to > > be sooner but i'd like to 
> avoid it, nasty time of year to be without wheels.> > > > > > 
> > Date: Wed, 17 Dec 2008 16:06:18 -0500> > > From: 
> audi at humanspeakers.com> > > To: audilvr at hotmail.com> > > CC: 
> quattro at audifans.com> > > Subject: Re: ignition problems (i 
> think) somebody please help!!!!> > >> > > 3k is an odd place 
> for the cutout - around 5k is typical of a 4 cyl fuel> > > 
> pump relay, around 1500-1800 is typical of a "stuck closed" 
> idle switch> > > (which you might want to test to make sure 
> it's working).> > >> > > One thought I have is that you might 
> have a dead spot on the> > > potentiometer on the side of the 
> air/fuel box. It's hard to get to on> > > the type 89, being 
> "under" the edge of the fender. To check it you need> > > to 
> put a meter on it (two different ways) and slowly raise the 
> air flap> > > through its range of motion.> > >> > > Only 
> problem with that theory is it's not rpm-related really, it's 
> more> > > related to pedal position/air demand.> > >> > > One 
> thing in its "favor" is that some of the trip computer 
> functions use> > > the pot signal (fuel economy readouts, 
> mostly).> > >> > > What have you replaced or tested so far? 
> Have you checked the ignition> > > timing?> > >> > >> > > > 
> i'm driveng an '88 90 quattro 5 cyl.this problem has been 
> escalating> > > > for a while and now the car is not 
> driveable. it started out that the> > > > engie will cut out 
> at 3000 rpm kind of like a rev limiter.i found if> > > > the 
> fuel meter on the front of the cis fuel meter is unplugged, 
> the> > > > car will run fine...but the onboard computer goes 
> to all zero's when> > > > 3000 is reached. i've tried 
> swapping just about everything i can> > > > think of but i 
> can't finnd the problem and now tthe car won't idle or> > > > 
> run properly. it surges stalls and backfires(blew the side 
> out of the> > > > muffler when it backfired).i'm at a loss 
> and running in circles.if> > > > anyone thinks they can help, 
> please do.> > >> > >> > > --> > > Huw Powell> > >> > > 
> http://www.humanspeakers.com/audi> > >> > > 
> http://www.humanthoughts.org/> > > > > > 
> --------------------------------------------------------------
> ----------> > Win a trip with your 3 best buddies. Enter 
> today. > > 
> <http://www.messengerbuddies.ca/?ocid=BUDDYOMATICENCA19>> > 
> -- > Huw Powell> > http://www.humanspeakers.com/audi> > 
> http://www.humanthoughts.org/ 
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