I have a 2000 dodge ram 1500 sport 5.9. I was driving down the road the other day and gave it gas and the truck started bogging, knocking, with no power from the motor. I had to milk it as far as i could out of the middle of no where to get towed. Once pulled over i looked underneath and saw that the exhaust pipe right before the catalytic converter was glowing red. I got it towed home from AAA. The next day i went out to the truck and started it up and it ran like ****. Wouldn't idle on it's own for more then 15 seconds. I got word that the cat was bad so i cut it out. Still runs like ****. Symptoms of the truck are: no power rough idle Loud back fires sounds like some sort of vaccuum leak I hooked up a code reader and came up with the following: P0505- Idle Air Control P0123- Throttle/Pedal Position Sensor (position A circuit high) P0108-Manifold absolute- Barometric pressure Circuit High P1391- Interm loss of CMP or CKP