A P0303 code on your 2019 Toyota RAV4 indicates that the engine control module has detected cylinder 3 misfires beyond acceptable parameters. The 2019 model introduced the 5th generation RAV4.
2019 RAV4: 5th Generation Launch
The 2019 Toyota RAV4 debuted the current 5th generation with the new Dynamic Force 2.5L engine, plus an updated hybrid system. This represented a significant engineering update.
Dynamic Force Introduction
The 2019 RAV4 introduced the D-4S equipped 2.5L with improved efficiency and power. This dual injection design uses both direct and port injection for cleaner combustion.
First Year Considerations
As the first model year of a new generation, some early production issues may have occurred. Check for applicable technical service bulletins.
Moderate Mileage
2019 RAV4s have accumulated moderate mileage. Original spark plugs may still be serviceable, but inspection is warranted when diagnosing misfires.
Proven Platform
The 5th generation RAV4 has proven reliable. Address misfires to maintain dependable family transportation.