What does code P0302 mean on a Lexus and is it safe to drive?
P0302: Cylinder 2 Misfire Detected. Here's what it means on your Lexus, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
The PCM has detected a misfire on cylinder 2. Same logic as P0301, but for a different cylinder.
Common causes for your Lexus
- Worn or fouled spark plug on cylinder 2
- Failing ignition coil
- Leaking or clogged fuel injector
- Low compression on cylinder 2
Symptoms
- Check Engine Light
- Noticeable shaking, especially at idle
- Loss of power or hesitation
Typical fixes
- Replace spark plug/coil on cylinder 2
- Clean or replace injector
- Address internal engine problems if compression is low
Repair cost range
For a Lexus, repairs for P0302 often fall between $150 and $900, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Lexus
Lexus 2GR-FE P0302 on cylinder 2 is typically a failed coil-on-plug. The 2GR-FE is a naturally aspirated engine with port injection—carbon buildup is minimal. Standard coil swap diagnostic applies. On 2GR-FSE (IS/GS), dual injection also limits carbon, keeping misfires primarily ignition-related.
Most commonly affected models
IS350 2GR-FSE 2006–2013RX350 2GR-FE 2007–2015ES350 2GR-FE 2007–2012