2003 Ford Windstar O2 sensor

2003 FORD WINDSTAR
120,000 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
HANDYMAN5421
  • MEMBER
  • 1 POST
check engin light came on i used OBD2 code scanner code 136 O2 sensor shot had it replaced two weeks ago check engin light back on code 136 back went back to shop mechanics says i should have changed both is this true?
Jan 19, 2009 at 8:04 AM
Avatar
BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
you do not have two replace two
its beter if you do

Possible causes are :
Damaged wiring harness or Connector
crossed sensor wires
exhaust system leaks
faulty o2 sensor
good luck
Jan 19, 2009 at 8:55 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
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.

Ask a new question

Frequently Asked Problems for This Vehicle