Toyota Highlander
P0303
The vehicle is displaying a P0303 trouble code, indicating a misfire detected in cylinder 3 of a Toyota Highlander. This problem can lead to poor engine performance, increased emissions, and potential engine damage if not addressed.
32 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Engine
Symptoms
10 common
- •Check engine light illuminated
- •Rough idle
- •Loss of power during acceleration
- +7 more
Most Affected Generations
2 generations
XU70
20
XU50
12
Top Affected Components
1 component
Engine
32
Severity Levels
1 level
high
32
Quick Facts
32
Total Solutions
1
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 32 of 32 solutions for error code P0303 across all generations.