2006 Toyota Sienna
Mileage
139,237
Service Date
7/29/2026
Services Performed
- Confirmed the check engine light is illuminated on the instrument panel cluster. Scanned the engine control module for codes: P0304 – Cylinder #4 Misfire. P0354 – Ignition Coil D Primary Control Circuit. Checked for spark at ignition coil in cylinder #4 and confirmed spark is not available at this time. Measured ignition coil resistance and confirmed resistance is above factory specification. Recommend the ignition coil in cylinder #4 is removed and replaced then will re-check for misfire after repair.
- Removed and replaced the ignition coil for cylinder #4. Reset the check engine light and road tested the vehicle for final inspection, the check engine light has not returned and the vehicle is no longer misfiring at this time.
RONNIE O. gave our service a 5 star review on 7/29/2026
