The timing seems to be fully advanced on this car. It runs very poor & when accellerated spark knocks very bad. I have checked everything with vantage & all reads ok. Not sure if ignition module is at fault or a sensor is telling it to advance timing. Thanks f...

Summary posted 7/13/2013

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle