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You are watching: 2004 toyota sienna o2 sensor location


Does everyone knows where is the an initial O2 sensor located. I got a examine engine light and a mechanic checked said is the o2 sensor and also will price $350 come change. Thanks!
What password was it? without the password we have no idea i m sorry O2 is bad. There space 2 of them. The code will tell united state what "bank" the sensor the is in inquiry is located.Any other information would help also as there are some distinctions in the manifolds in between the 2WD and AWD i beilive.
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It additionally matters whether its an 3MZ or 2GR engine, since the 2GR provides a wideband Ox sensor which is much an ext expensive.
Does the second generation have Air and O2 sensors like the an initial gen Sienna? The prior sensor is on native manifold. Behind sensor is a b-itch to acquire at and there is one O2 sensor ~ above exhaust. Gain a scanner to uncover out i beg your pardon one that is.Regards, JC.
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Are you introduce to pre-cat and post-cat O2 sensors? Those are required on all engines in bespeak to satisfy OBD2 rule requiring onboard diagnostics because that cat failures.
Does the 2nd generation have Air and O2 sensors favor the an initial gen Sienna? The front sensor is on indigenous manifold. Behind sensor is a b-itch to obtain at and also there is an O2 sensor ~ above exhaust. Get a scanner to find out i beg your pardon one that is.Regards, JC.
I, too, have actually an O2 sensor error. Mine is the bank 2 sensor 1 location. My knowledge is that this is top top the passenger side off the manifold (radiator side) come in front of the cat. I have actually a 2nd gen. Sienna 2004 LE through > 150,000 miles. It"s been the best running auto I"ve had.Does anyone know if this is complicated to replace as a DIY project? the doesn"t look challenging as it has a plugin end and a threaded screw in end. I believe it"s routed with some brackets and such but that doesn"t look at rocket science either.My warning lights store going on, then off days at a time. Ns haven"t checked for cracked compression hoses however (and it"s a sure think the dealership didn"t either, Grief!!!)Any thoughts out there??
What password was it? there is no the code we have no idea i beg your pardon O2 is bad. There space 2 that them. The code will certainly tell united state what "bank" the sensor that is in inquiry is located.Any other information would help also as there are some distinctions in the manifolds in between the 2WD and also AWD i beilive.
Its the P2195, Sorry around the delaymy vehicle just after the 3 years warranty, right now is 41 months. I want to get the expanded warranty if the cover.
P2195/ wait fuel ratio sensor stuck lean.Bank 1 sensor 1.An air/fuel ratio sensor looks prefer an O2 sensor but works off of different voltages. The ar of this sensor is ~ above the backside the the engine (firewall) situated by the cylinder head prior to the converter. Friend will need to obtain at the from under the sienna. The dimension of the sensor is 22mm.I have actually seen in the past aftermarket sensors being noted as a "air/fuel" sensor however it transforms out to it is in an O2 sensor. The plugs are various so they space not interchangable.

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I don"t desire to hijack this thread however does anyone understand the DENSO component number for financial institution 1 sensor 1 on an 2007 Sienna 3.5L FWD van?Thanks
Its most likely 89467-08030, yet you need to give an ext info to be sure. That a wideband ox sensor, therefore pretty expensive. Make certain its bad, due to the fact that ox sensors room the many needlessly replaced component on automobile engines.
Thanks. I"m acquiring a P2195 and also a P0135 ~ above the van so I"m suspect it"s the sensor. Is there anyway to examine the sensor come ensure it"s quiet functioning?
My 2007 just had actually the engine light, stability and also traction manage lights come on in January. That was password p2197: wait fuel sensor bank 2 sensor 1. I have actually no password reader and also no endure in O2 sensors to add busy through work and also it -15c in ~ the time. Toyota charged me $45.20 come diagnose, had actually to bespeak the component in at $206 and also install $90. For this reason in complete 2 trips and $380 Canadian. Mine van only had actually 67000km. Ns would have let that go yet the stability and also traction regulate were disabled through this password in. Gift winter time and my wife drives it, i had it fixed. The dealer stated Ontario provides 300% more O2 sensors than any other province or state. They blame the on our fuel standards. He discussed it was unusual for a sensor to go this early, but an excellent news: The sensor had just to reduce in price native $385 come $206 simply a few weeks before because of so many complaints. Ns enquired about how numerous sensors in full the Sienna had. 4 in total and generally when one walk the remainder follows, but because mine to be an oddity (early) he doubted i would have actually that issue. The just real good thing around it, the van obtained washed twice, free coffee and peace and quiet sit in the wait room away from the wife and kids.T