Code P1166 and misfire on cylinders five and six

2001 HYUNDAI SANTA FE
317,000 MILES • 2.7L • V6 • 2WD • AUTOMATIC
Avatar
CA7922303
  • MEMBER
  • 165 POSTS
Getting these codes, rough idle, snap on engine analyzer shows all four(4) with no readings, but getting voltage.
Mar 13, 2021 at 7:35 AM
Advertisement
Avatar
KASEKENNY
  • ASE Certified Mechanic
  • 18,907 POSTS
  • ASE Certified Mechanic
I attached the test that we need to run through for this code but given you have misfires on two cylinders, I would bet we have injector issues.

I attached the testing below so let's at least run through the system inspection items and go from there but again, I am thinking injector issues so you may want to swap those injectors with the cylinders that are not missing and see if the misfires move.

Let me know what questions you have on this. Thanks
Mar 14, 2021 at 6:38 PM
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.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.