2001 Hyundai Sonata Identifying #1 Cylinder

150,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
RBALL
  • MEMBER
  • 1 POST
Just bought car, had to have emission test, failed with "#1 cylinder mis firing". In standing in front of the car, looking at engine, how do I identify which is the #1 cylinder.

Also, "check engine" light is on.

I plan to start by replacing plugs and plug wires. Any other suggestions?

Thanks.
Apr 29, 2009 at 3:35 AM
Advertisement
Avatar
DAVE H
  • ✓Experienced Mechanic
  • 13,383 POSTS
have the vehicle plugged into a diagnostic scanner to locate the cause of the misfire !


https://images.2carpros.com/forum/automotive_pictures/266999_son_1.jpg

May 5, 2009 at 12:59 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle