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Juan Crespo
Juan Crespo, Tech Trainer
Category: Toyota
Satisfied Customers: 1524
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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I have P2238 and P2241 cods sienna 2004, how to know which

Customer Question

I have P2238 and P2241 cods for toyota sienna 2004
JA: Tell me a bit more about what's going on so he can help you best.
Customer: how to know which sensor need to replace?
JA: Are you hoping to fix this yourself?
Customer: yes
JA: Great! What have you tried so far?
Customer: so we have 2 sensor in each Bank. so which one is need to replace .
JA: Is there anything else important you think the Toyota Mechanic should know about your Toyota?
Customer: no only this
JA: Our top Toyota Mechanic is ready to take your case. Just pay the $5 fully refundable deposit and I'll fill the Toyota Mechanic in on everything we've discussed. You can go back and forth with the Toyota Mechanic until you're 100% satisfied. We guarantee it.
Submitted: 1 year ago.
Category: Toyota
Expert:  Juan Crespo replied 1 year ago.

The sensors are not the problem; the onboard computer(PCM) needs to be reprogrammed. Toyota knows about this issue and has issued technical service bulletin EG001-05 to address it. Take your Sienna to any qualified Toyota repair facility to have the PCM reprogrammed.