P0155 Jeep - replaced sensor still get p0155

Question

i replaced both front O2 sensors and still get the p0155 code

Answer 1

Hi there,

If replacing the sensor hasn't solved the problem, it's likely an electrical issue. Here is a list of possible causes.

P0155 JEEP - O2 Sensor 2/1 Heater Performance

Read more: https://www.autocodes.com/p0155_jeep.html