Front bed hikers

Plugs keep fouling on passenger side motor 2003 yukon 5.3 flex fuel? - next yukon body style change

I tried to understand why my car a squealing nose made. I have a new belt tensioner. Still Squeeled. I realized that was the generator noise. I took apart the generator and noticed the brushes were bad. I spent 20 minutes again. I cleaned my throttle body with cleaner. I started the car and it was fun, so I cleaned again in slow motion. The halting problem. A week and a half later, the truck began to fail. I pulled the plug and all the dry carbon black at the top of the passenger side only. I have) new plugs and son in the next day the same (misfire. I realized the passenger side does not end deportation. I cleaned the plug and put it back on a GM engineer told me that my catalytic converter has been stopped in the passenger seat, replacing the passenger sideCat. The cat. It was like a lump of coal. The catalyst for the drivers. was perfect and the plugs. My plugs keep fouling the passenger side. I took a can of foam and nearly sucked half of consumption can be cleaned (2 mechanics teacher told me to try it. The tops are dry and black threads on the spark plugs are a little wet black. I have these capsules daily for 3 days because the cat replaced. Converter. I have a pressure test was 120 (normal). I'm normal) testing the fuel pressure (. The truck failed to slow down or to stop the installation process. The control engine light stays on. I going steadily and rapidly, and seems good. The light starts blinking check engine. As a rule of good thng, but I can not understand. How can IBefore you play assume the worst, and spend a lot of money a guessing game. Please any advice would be to hear clearly