p1155 code on 2003 rav 4

2003 TOYOTA RAV4
99,421 MILES • 4 CYL • 4WD • AUTOMATIC
Avatar
LFURST39
  • MEMBER
  • 1 POST
I have a 2003 toyota rav 4 and have replace 3 sensors. The 2 lower downstreams and upper left side upstream and I still get the code p1155 bank 1 sensor 2. any ideas how to fix the problem I used bosch for the upstream and densco for the downstreams. could it be the brand bosch that is not working.
Feb 24, 2011 at 4:55 AM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,193 POSTS
  • ASE Certified Mechanic
The brand shouldn't matter. Check to make sure the wiring and plug to the sensor is in good condition. They get damaged, corroded, and I've seen them melt from exhaust heat.
Mar 7, 2011 at 4:39 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.