2003 venture engine running smoothly

SOURCE: No power after installing new head gaskets

need to check timing. have you checked compression since head job? low compression will cause this

SOURCE: 1989 chevy 350 automatic, white smoke

white smoke is antifreeze try checking the compression

SOURCE: 98 Chevy Tahoe 5.7 liter engine cuts out and

Have you checked for vaccume leaks?
You've got lots of parts in there, Has the problem been the reason you have replaced all of those, or did it come up while doing some of the repairs?

SOURCE: 1997 chevy venture engine light on no hesitation

Sounds like a code to me. You need to go and get the computer scanned for codes and have them reset. I had a 2005 uplander and my check engine light came on constantly, it ran fine but I found out it was a faulty gas cap. So it might not be anything major. Autozone will read the code for you for free, but they cant reset them.

SOURCE: no other problems engine runs

P1345 Cylinder Discrimination Signal (from CMP sensor)

This is for a Ford. The make/model/year are necessary when asking questions.