Question about 2002 Toyota Sienna

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202 sienna has engine check lite on. It is said it is the computer. Any suggestions?

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If you've had this happen before many times, you may have a defective ECU meaning some of Check Engine Light (CELs) codes stored triggering the light to come on may not be real problems but false alarms. This is not to say all are but some could be requiring repair of problems that don't exist except to a mixed up ECU/bad software.
Some bad ECUs got into 1998-2003 series Siennas.

Look into it further.

Posted on May 22, 2010

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Try this website to download a free manual

Posted on May 01, 2010


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Posted on Jan 02, 2017

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