LT1 EFI Question

[Bruce Plecan]

 Eric Elliott <eelliott at arkansas.net>


>Hello,
>Older GMC ECMs diddled the EGR & looked at injector duration to se if EGR
>functioned. So it had to actually change AFR via EGR to pass test. Test was
>done after engine warm.
>My new 5.4 L measures EGR flow with a differential pressure transmitter.
>Another case where a resistor won't fool it.
>Eric


And perchance what ecm would be an example of that?..
Bruce       When taller Cone Shaped Hat are made, we'll
                 be wearing them here first at world HQ