Toyota Highlander
P0304
The P0304 code indicates a misfire in cylinder number 4 of a 2020-present Toyota Highlander, which can lead to performance issues and increased emissions.
14 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Engine
Symptoms
10 common
- •Engine runs rough or vibrates during idle
- •Poor acceleration or loss of power
- •Check engine light illuminated
- +7 more
Most Affected Generations
2 generations
XU70
7
XU50
7
Top Affected Components
1 component
Engine
14
Severity Levels
1 level
high
14
Quick Facts
14
Total Solutions
1
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 14 of 14 solutions for error code P0304 across all generations.
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