p0305

I have a 2003 Jeep wrangler Sport, 6 Cylinder motor. Ive had it for around 5 years, at about 140,000 miles today! Huge problem, yet to find a solution! Keep getting codes p0302, p0305. - Ive replaced the spark plugs, no results. - I replaced the coil pack, with a new one from the dealership...

I have a 2000 TJ, 4.0L, 5spd with the check engine light on. Sometimes, it will start blinking for a short time then return to solid again. Here are the codes I'm throwing: P0205 P0300 P0303 P0305 So far, I've done the following: all new spark plugs, coil pack, cam shaft position sensor, and...