Rovin4Life,
I didn't mean to say that I have thrown parts at it.
The cats I replaced were rattling, so I fixed them and also thought it could possibly be some of the sound I was hearing, as it was also coming from the area of the cats.
I did try to diagnose the CEL. I had missfires so I checked the plugs, and also put in champions because I hear the Bosch 4s sometimes have issues with the DII, and they were $10 total. I cleaned the MAF, checked airbox fit, read levels off the o2 sensors via ODB software, also tried monitoring fuel trim through that as well.
Taking off the drive shaft, and the fan was just time spent removing and putting back on, and a way to make sure it wasnt coming apart on me.
As for your last comment...I believe the name of my original post used the term "under load".
Sorry for the confusion if you think I sounded like an idiot, lol. But I did check many things and only things I put money into were cats, which were on their way out anyway, and $10 on plugs.
Was looking for some advice from a more experienced person on here to help "learn to diagnose like us techs do" as you put it. Not to get blasted.
John
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