cel

As the title suggests, the OBDII port on my 2000 LS is damaged and I cannot plug in a reader. Is there a way to read the codes either through the digital ODO or otherwise? Yes the CEL is on, and it is having trouble shifting from 1st to 2nd gear. Thanks for the help.

I've got a friend with a 1999 Tahoe with a 5.7 equipped with the stock SFI system. About two weeks ago, the vehicle began to misfire and illuminated the CEL. It is throwing a p0300 Random Misfire code. We hooked it up to the computer with my scan tool and saw a lot of misfires. The misfire count...