hi I am having problem with this one it has a misfire only under load at about 80 km/h. The car had a aftermarket air intake with a dirty air filter i replaced it with a factory air box with a new air [...] spark plug were worn i replaced them with new one...

FIX posted 10/26/2021

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