dad's van misfiring
dad owns a 3500 Express van 2002 3/4 ton and is missfiring went to auto zone to get the SES light diagnosed. Changed wires and plugs but still doing it but less. Anyother things i could do???
Originally Posted by ls1_cam2
dad owns a 3500 Express van 2002 3/4 ton and is missfiring went to auto zone to get the SES light diagnosed. Changed wires and plugs but still doing it but less. Anyother things i could do???

What is the engine size - 4.3, 5.0, 5.7, 6.5, 8.1?
What symptoms/problems have you noticed? Noises, fluid consumption?


