not fireing on cyl 3 & 6 . I changed the ign coil. what's next??? on 1990 Buick LeSabre

rough idle-- so I changed the plugs & wires & coil. Didn't solve the problem. What's next????

by in Youngsville, LA on July 25, 2010
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers 2 comments
ANSWER by , July 28, 2010
Double check the fireing order. Possible plug wire crossed.
COMMENT by , September 12, 2010
What is the fireing order?
ANSWER by , July 25, 2010
Your problem may be coming from the ignition module, I've seen it many times with those coil pack set-ups
COMMENT by , July 25, 2010
thanks, I'll try it and let you know.