Check Engine Code

99 Malibu with 3100 V6. Mech says engine code is saying #4 cyl misfire. Changed plugs and wires but light still on. Any ideas?

99 Malibu with 3100 V6. Mech says engine code is saying #4 cyl misfire. Changed plugs and wires but light still on. Any ideas?
A misfire can be caused by a number of things, fuel, spark or an engine mechanical concern..

99 Malibu with 3100 V6. Mech says engine code is saying #4 cyl misfire. Changed plugs and wires but light still on. Any ideas?
Hi henj,

Did you have your problem resolved?
I seem to have a similar problem...