dtc codes

Hi, I've got a '97 Ram 1500 with the 5.9 Magnum. I live in California and need to get this puppy to pass smog. Among the many things I've done is replace the Catalytic converter, O2 sensors, headers, and muffler. Sounds great and runs great. I cleared out the ODB codes, but how do I get the...

Ok guys, you have saved me a few times with your input, or by having already dealt with the issues I have had on my truck and I'm really hoping (as in trying not to freak out) that in spite of how bad this looks (it's bad isn't it?), one of you has the easy (cheap) answer as to what may be going...