Anybody ever see this?
Preface, new(rebuilt ECM, failed emission test, old one wasn't seeing an
Driving along last week, and decided to stretch the Vette's legs. WOT
going up a ramp to freeway, halfway up engine simply stopped, like no
fuel. ASR light came on, no other lights. Coasted a bit as I was looking
at panel, then turned key, started right up...everything normal, came
home. Still ok. Only odd thing was fan2 and A/C comp not running. Looked
thru shop manual and found one thing that will do that, A/C pressure
sensor out, so wiggled connector, compressor and fan both came on. Dirty
connector. Cleaned, all ok...but still puzzled about the cut out. I'm
going to guess it was at the same time the pressure sensor stopped sending...
BTW, no codes set. Put engine on Diacom all reads normal, since got the
pressure deal connected, before that showed calling for A/C but comp not
It sure would be nice to get hold of the source code for the ECM firmware...
GeorgeC W2DB 92 RED/RED LT-1