it started running like it's cutting out. code p0300 came up. changed air filter, plugs. My son had just cut the exhaust off, so i bought a clamp. still not running right. will start out ok but after it runs for away it's start cutting out. Going to try changing the o2 sensor today. Any other suggestions
JA: Have you located all of the vehicle's oxygen sensors
? Are the wires leading to and from each intact and in good shape?
Customer: not sure
JA: What is the model/year of your Dodge?
Customer: 2003 dodge 2500 2x4 5.7 hemi
JA: Are you fixing your B2500 yourself? What have you tried so far?
Customer: yes, I have a friend that has a machine that checks for codes. But it doesn't specify whats wrong with it. Just says multi misfires. Was thinking about check the coils
JA: Anything else you want the mechanic to know before I connect you?
Customer: Does it really matter if i should use high octane for fuel