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Engine Control System Self-Diagnostics: Other Toyota Sienna I

Testing & Diagnostics

DTCS P0301-P0306: CYLINDERS NO. 1-6 MISFIRE DETECTED

Note. When 2 or more trouble codes for a misfiring cylinder are recorded repeatedly, but DTC P0300 is not recorded, it indicates misfires were detected and stored into ECM memory at different times.

Note. For component location, see appropriate illustration in THEORY & OPERATION article.