[Gmecm] Re: Tracker TBI Problems still

Wed Jun 13 19:18:00 UTC 2007

Pat,

Located in Vancouver, BC

What is your base timing at??  What year do you have?

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>    1. FW: riviera troubles (Steve Ravet)
>    2. Re: Tracker TBI Problems still (Cowen)
>    3. Re: Re: Tracker TBI Problems still (not a
> webot)
>    4. Re: FW: riviera troubles (kc)
>    5. Re: FW: riviera troubles (Scott Pearson)
> > From: "Steve Ravet" <Steve.Ravet at arm.com>
> Subject: [Gmecm] FW: riviera troubles
> Date: Tue, 12 Jun 2007 11:19:58 -0700
> To: <gmecm at diy-efi.org>
> 
> Forwarding a post from a non member.  If you reply
> please copy the
> posters address
> 
> kc [kctobyjoe1 at verizon.net]
> 
> --steve
> 
> -----Original Message-----
> From: mailman-bounces at columbiabikeclub.com
> [mailto:mailman-bounces at columbiabikeclub.com] On
> Behalf Of kc
> Sent: Tuesday, June 12, 2007 12:10 PM
> To: gmecm-owner at diy-efi.org
> Subject: riviera troubles
> 
> Here is my quandry which you may post in my stead
> Own a 92 Rivera with
> the digital dash and electronic climat control The
> orig dash blew up and
> was replaced NOW the odometer reads ERROR altho
> every other function
> works fine trip meter reads correctly SO...in PA I
> CANNOT get it
> inspected now because there is no mileage reference
> point ERROR does not
> qualify To fix, I need to:?
> Get new ECM?
> Have it re flashed ( I understand the VIN info is
> paramount) throw up my
> hands and get rid of car?
> CRY?
> 
> -- 
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> 
> > From: Cowen <captain_krill at yahoo.com>
> Subject: [Gmecm] Re: Tracker TBI Problems still
> Date: Tue, 12 Jun 2007 11:25:59 -0700 (PDT)
> To: gmecm at diy-efi.org
> 
> Pat,
> No, I never did get to the bottom of it.  In the
> end,
> it passes AirCare and runs fine, the mileage is back
> up.  
> 
> I "fixed it" by fluke.  I was messing around with a
> SnapOn Modus, watching the O2 sensor etc, and I
> couldn't find anything wrong.  I thought I'd see
> what
> would happen if I messed with the timing - and it
> started running better.  Normally, reducing the
> timing
> will clean up HC, but in this case, severely
> advancing
> the timing made it run better! It's supposed to be
> around 6 deg BTDC at idle, check connector shorted,
> if
> I recall (been awhile).  Right now, it's reading
> aroung 22 degrees!!  I ended up advancing until it
> pinged, then retarding it until smooth.  It has the
> cleanest emissions it's had since we bought it 4
> years
> ago.
> 
> Now the strange thing is, my mom's got the same car,
> and it too has responded well to severely advancing
> the timing.  That seems to eliminate the "rotated
> harmonic balancer" theory...  Hers passed Aircare
> with
> flying colours too.
> 
> By now, you should be thinking "This idiot doesn't
> know how to check timing.  He's got one of those
> adjustable timing lights, or he's put the pickup on
> the wrong lead, or he doesn't know the check
> connector
> from a hole in the ground."  Well, I've had three
> other people look into this for me, with their own
> tools, and all of us seem to have the same probelm
> timing this one particular type of car!
> 
> So, the car works fine (although it still goes a bit
> rich on a subzero start up and idles on 3 cylinders
> for about 20 seconds), but I don't understand what
> changed or why to cause the problems in the first
> place (it happened on it's own last August), or why
> the timing "seems" so advanced (when logically it
> can't be that far off factory!!)
> 
> Soon it's for sale!  The End.
> 
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>        
>
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> 
> > From: "not a webot" <not.webot at gmail.com>
> Subject: Re: [Gmecm] Re: Tracker TBI Problems still
> Date: Tue, 12 Jun 2007 14:49:00 -0400
> To: gmecm at diy-efi.org
> 
>  I run mine on the edge of knock as well. I didn't
> think to mention that.
> I'm glad it passed. Where are you located?
> 
> On 6/12/07, Cowen <captain_krill at yahoo.com> wrote:
> >
> > Pat,
> > No, I never did get to the bottom of it.  In the
> end,
> > it passes AirCare and runs fine, the mileage is
> back
> > up.
> >
> > I "fixed it" by fluke.  I was messing around with
> a
> > SnapOn Modus, watching the O2 sensor etc, and I
> > couldn't find anything wrong.  I thought I'd see
> what
> > would happen if I messed with the timing - and it
> > started running better.  Normally, reducing the
> timing
> > will clean up HC, but in this case, severely
> advancing
> > the timing made it run better! It's supposed to be
> > around 6 deg BTDC at idle, check connector
> shorted, if
> > I recall (been awhile).  Right now, it's reading
> > aroung 22 degrees!!  I ended up advancing until it
> > pinged, then retarding it until smooth.  It has
> the
> > cleanest emissions it's had since we bought it 4
> years
> > ago.
> >
> > Now the strange thing is, my mom's got the same
> car,
> > and it too has responded well to severely
> advancing
> > the timing.  That seems to eliminate the "rotated
> > harmonic balancer" theory...  Hers passed Aircare
> with
> > flying colours too.
> >
> > By now, you should be thinking "This idiot doesn't
> > know how to check timing.  He's got one of those
> > adjustable timing lights, or he's put the pickup
> on
> > the wrong lead, or he doesn't know the check
> connector
> > from a hole in the ground."  Well, I've had three
> > other people look into this for me, with their own
> > tools, and all of us seem to have the same probelm
> > timing this one particular type of car!
> >
> > So, the car works fine (although it still goes a
> bit
> > rich on a subzero start up and idles on 3
> cylinders
> > for about 20 seconds), but I don't understand what
> > changed or why to cause the problems in the first
> > place (it happened on it's own last August), or
> why
> > the timing "seems" so advanced (when logically it
> > can't be that far off factory!!)
> >
> > Soon it's for sale!  The End.
> >
> > **********************END
> TRANSMISSION**********************
> >
> >
> >
> >
> >
>
____________________________________________________________________________________
> > Be a better Globetrotter. Get better travel
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> > knows. Yahoo! Answers - Check it out.
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> 
> > From: kc <kctobyjoe1 at verizon.net>
> Subject: Re: [Gmecm] FW: riviera troubles
> Date: Tue, 12 Jun 2007 15:22:50 -0400
> To: gmecm at diy-efi.org
> 
> could you post that for me? I am not sure I
> understand
> must be the engineer degree ;-)
> 
> 
> Steve Ravet wrote:
> > Forwarding a post from a non member.  If you reply
> please copy the
> > posters address
> >
> > kc [kctobyjoe1 at verizon.net]
> >
> > --steve
> >
> > -----Original Message-----
> > From: mailman-bounces at columbiabikeclub.com
> > [mailto:mailman-bounces at columbiabikeclub.com] On
> Behalf Of kc
> > Sent: Tuesday, June 12, 2007 12:10 PM
> > To: gmecm-owner at diy-efi.org
> > Subject: riviera troubles
> >
> > Here is my quandry which you may post in my stead
> Own a 92 Rivera with
> > the digital dash and electronic climat control The
> orig dash blew up and
> > was replaced NOW the odometer reads ERROR altho
> every other function
> > works fine trip meter reads correctly SO...in PA I
> CANNOT get it
> > inspected now because there is no mileage
> reference point ERROR does not
> > qualify To fix, I need to:?
> > Get new ECM?
> > Have it re flashed ( I understand the VIN info is
> paramount) throw up my
> > hands and get rid of car?
> > CRY?
> >
> >   
> 
> 
> > From: "Scott Pearson" <mrcad472 at iowatelecom.net>
> Subject: Re: [Gmecm] FW: riviera troubles
> CC: 
> Date: Tue, 12 Jun 2007 18:42:51 -0500
> To: <gmecm at diy-efi.org>, <kctobyjoe1 at verizon.net>
> 
> I think these cars (much like the Olds Trofeo) store
> the odometer data in an 
> EEPROM in the BCM. I don't think there's a VIN in
> the IPC of this early of a 
> car. It is stored in the BCM, but I don't recall it
> having any function. 
> I've never bothered to match it up to anything in my
> 88 Trofeo and it has 
> always worked fine. I have swapped IPC's in the
> Trofeos without problems or 
> ERROR many times.
> 
> When you say the dash "blew up" could you be a
> little more specific?
> 
> Scott
> 
> >> -----Original Message-----
> >> From: mailman-bounces at columbiabikeclub.com
> >> [mailto:mailman-bounces at columbiabikeclub.com] On
> Behalf Of kc
> >> Sent: Tuesday, June 12, 2007 12:10 PM
> >> To: gmecm-owner at diy-efi.org
> >> Subject: riviera troubles
> >>
> >> Here is my quandry which you may post in my stead
> Own a 92 Rivera with
> >> the digital dash and electronic climat control
> The orig dash blew up and
> >> was replaced NOW the odometer reads ERROR altho
> every other function
> >> works fine trip meter reads correctly SO...in PA
> I CANNOT get it
> >> inspected now because there is no mileage
> reference point ERROR does not
> >> qualify To fix, I need to:?
> >> Get new ECM?
> >> Have it re flashed ( I understand the VIN info is
> paramount) throw up my
> >> hands and get rid of car?
> >> CRY?
> 
> 
> 
> 
> > _______________________________________________
> Gmecm mailing list
> Gmecm at diy-efi.org
> http://lists.diy-efi.org/mailman/listinfo/gmecm
> 

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