2004 Toyota Sienna Q&A
2004 Toyota Sienna Question: How many o2 sensors are there?
How many O2 sensors are there? - Visitor
There are 4 O2 sensors on your Sienna. - patrick mannion
Mechanic says 02 sensor needs to replaced. How many 02 sensors are there in Toyota Sienna 2009 And what are the possibly that could be the problems? It has 97k miles on it. The codes that I f...