RE: EPROM Reader Problems Deleting Chip? EMERGENCY

[Squash <realsquash@yahoo.com>]

Isn't there 2 types of limp-home mode, one is where the ECU runs off of the resistor packs and the
other is when the ECM is fully functional but a major sensor is gone, such as MAF and the software
changes the way it runs?  Like a hardware and a software LH mode.

Squash

--- "Marteney, Steven J." <smarteney@xlvision.com> wrote:
> From my limited (emphasis on LIMITED) experience with limp mode mode (blown
> MAF in a TPI car) the symptoms you describe are NOT limp home mode.  My car
> ran BETTER once the computer was able to determine there was a problem and
> go into limp home mode.  Otherwise, the MAF was fooling it into thinking
> more or less air was entering the engine than really was.
> 
> Steve
> 
> 
> 		-----Original Message-----
> 		From:	Scott Flanagan [mailto:flanaj@mindspring.com]
> 		Sent:	Thursday, May 11, 2000 10:37 PM
> 		To:	gmecm@diy-efi.org
> 		Subject:	EPROM Reader Problems Deleting Chip?
> EMERGENCY
> 
> 		My friend and I were reading his EEPROM (27c256) out of his
> 92 Bonnevile SE
> 		(w/out Heated Winshield) and the reader would not read it.
> After placing it
> 		back in the car the Check engine light stays on.  Also the
> ELC fuse, which
> 		is a 40 Amp fuse blew.  Does anyone have any ideas.  The car
> runs idle is
> 		high and rough, smells rich, engine cuts out above 3500 RPM,
> and when put in
> 		drive you can floor the engine and the car barely moves.  Is
> that limp-home
> 		mode?  Also, it is an electrically controlled transmission.
> What should we
> 		do? Go to the junkyard and get a new EPROM?  Thanks for the
> help so we can
> 		get this back on the road.
> 
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> 


=====
Trains, Trucks, and EFI at http://www.trailrunners4x4.org/users/realsquash

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