Toyota Nation Forum banner

2003 Sienna emission problem

1500 Views 1 Reply 2 Participants Last post by  toyomoho
Check engine won't reset. My problem is failed emisions for inspection sticker, this is what the report says "overall OBD System---Result Fail" I can't find a chilton or haynes manual for a 2003 sienna, anbody know why. Any help would be appreciated. Thanks
1 - 2 of 2 Posts
OBD stands for On Board Diagnostics. If the check in light is on, there most be code in the ECU memory. Find some place like AutoZone that will read the codes for free, then post back.

Most likely the car failed because the ODB system had tripped the check engine light.
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.