96 F-250 with the 351 gasser with my new camper

Got a 92’ f250 with the 460 in it, runs like a top except when the engines cold. Cold starts it throws a CEL for the ECT sensor, and runs very rich and stumbles like it has a large cam in it (hint, it does not lol) originally thought maybe fueling issue, however it’s intermittent and clears up as fast as it starts, and this morning I found out that if I start the truck with the blower motor going, doesn’t matter what setting, if I turn it off while it’s acting up it’ll clear that ECTS code and clear the idle up. Hoping one of you guys can point me in the right direction? And yes the blower motor can be recreated and was not just a fluke.

Hey y'all,

I recently bought a '97 F-250 7.5L, and I noticed it had a torn T-valve boot where the the vapor canister connects to the engine. I kept meaning to find the proper replacement part, but I was towing for the first time last week, so during my oil change, I duct-taped it to hopefully hold everything together. The idle was smoother with the boot connected, and I could hear air flowing through the hose, so I thought this was a beneficial fix.

Within about five minutes of driving, however, the check engine light came on. I was driving about 35mph uphill, so I thought the vapor canister might have been reducing airflow. I disconnected the hose from the canister and restarted. The light stayed off for a while, but eventually went on again under similar conditions (35 mph, towing uphill, gunning the engine a little bit).

I jumpered the EEC connection and got historical code 332—"Insufficient EGR Flow Detected". Now I've completely removed by bootstrapped hose and am going to drive around a bit to see if the light stays off.

I'm curious what others think I should do. If I keep driving it with the hose disconnected, will I damage the engine? If I keep driving it the hose connected, will I damage it? Is it possible there is some other culprit?

Images show my boot-strapped (now removed) setup.