Ford Explorer
P0135
The P0135 code indicates a problem with the oxygen sensor heater circuit on a Ford Explorer (Sixth Generation, 2020-present). This code typically points to an issue with the upstream oxygen sensor located before the catalytic converter.
9 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
Exhaust SystemElectrical
Symptoms
10 common
- •Check engine light illuminated
- •Poor fuel economy
- •Rough idle
- +7 more
Most Affected Generations
2 generations
U502
6
U625
3
Top Affected Components
2 components
Exhaust System
8
Electrical
1
Severity Levels
1 level
medium
9
Quick Facts
9
Total Solutions
2
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 9 of 9 solutions for error code P0135 across all generations.