Impco System Update....Post updated 12/20/13

I bought this truck in September.  I noticed that as the temperature dropped over the next two months, I would sometimes have trouble when operating in CNG mode.  The engine would sometimes miss.  Sometimes it was barely noticeable, and sometimes it was so severe that it I had to switch it over to gasoline.  Once on gasoline, it ran fine.  I contacted Impco Technologies and after some discussion with their automotive technical support department as well as emailing photos of engine components it was ascertained that there is an update to the CNG system on this truck that had not yet been done.

Feedback/Suggestions for CNG Vehicle Designers

I will update this entry periodically if I notice something that would be relevant for those vehicle designers who might cruise the internet for research material and happen to stumble into this blog.