1997 GMC Safari Q&A
1997 GMC Safari Question: catalytic converter
The only way this could occur is if the Cat. Conv. was plugged, which can happen but it is rare that it would cause a no start condition. Cat. Conv. don't fail on their own, they are the result of another problem in the system. Read this article on this subject: http://repairpal.com/blog/catalytic-converters-dont-usually-die-theyre-killed So it would appear you likely have another problem causing the no start condition, and if the cat. conv. is bad, possibly causing that too. : - Bret Bodas
Dealer replaced catalytic converter on Aug 18, 2011. Picked up vehicle on Aug 19, 2011 and drove it from that date till Sept 11,...
Whar does this code mean?
4.3L V6 multi-port FI only The exhaust gas recirculation valve (EGR) may stick open causing a rough idle and the Check Engine Light to illuminate. Our technicians tell us that a piece of carbon may...