Chomping at the bits

[Shannen Durphey]

Programmer wrote:
> 
> Carl,
> 
> I'll have to give the guy a call and get the prom back--need to check it for
> a possible error. What
> symptoms would this problem that Ludis mentioned give a guy ??
If you're asking about the bad bit, when the ecm goes into closed
loop, the engine begins to run like there's a turn signal flasher
installed in the coil power wire.  You can't mistake this one for
anything else.  If you have a cal. with this problem, it's not
driveable.
Shannen
> 
> Lyndon IPTECH
> -----Original Message-----
> From: Carl Summers <intech at writeme.com>
> To: 'gmecm at efi332.eng.ohio-state.edu' <gmecm at efi332.eng.ohio-state.edu>
> Date: September 6, 1999 1:54 AM
> Subject: RE: Chomping at the bits
> 
> >Hi,
> >      The numbers for the EGR temp enable are actually inverted in the
> >7747,,,meaning 0 Hex= 255 in temp and FF hex = 0 in temp.....can screw ya
> >up till ya figure it out.....Hex workshop is a great tool, especially when
> >you want to cut and paste from one bin to another.  hth's
> >-Carl Summers
> >
> >mailto:intech at writeme.com
> >Click on the above link to respond privately.
> >
> >-----Original Message-----
> >From: Programmer [SMTP:nwester at eidnet.org]
> >Sent: Sunday, September 05, 1999 10:37 PM
> >To: gmecm at efi332.eng.ohio-state.edu
> >Subject: Re: Chomping at the bits
> >
> >Shannen,
> >
> >How'd you make out with that one ?? I've done it (with an enhanced spark
> >curve) and just ended up
> >with highway "ping" that wouldn't go away <g>... did you have better luck ?
> >
> >Lyndon
> >-----Original Message-----
> >From: Shannen Durphey <shannen at grolen.com>
> >To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
> >Date: August 13, 1999 12:17 AM
> >Subject: Chomping at the bits
> >
> >
> >>I'm working on a 747 bin, trying to disable egr.  Will any problems
> >>result from setting the enable temp bit to 255?  Is that equal to 304
> >>deg F?
> >>
> >>Will setting this bit high effectively disable egr, or are there other
> >>values that should be changed?
> >>
> >>Shannen
> >>
> >