× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: '13 Mazda 3 with constant P0303, cannot feel misfire
Posted to Technical Discussion Forum on 8/15/2019 4 Replies

Finally! Someone used a vac gauge before you had to beat'em with it :O)

I don't think VVT is an issue at idle. Scanner PID's for position, current, duty and a few other things would give some indication of an issue. It's a comparative thing, KOEO/KOER and th... Login to read more.

4 Replies Received (View Replies)