Aqueous Thought Posted August 14, 2012 Share Posted August 14, 2012 Where is the location of both O2 sensors? I have the P0134 code telling me my front sensor needs to be replaced. A local dealer is trying to rake me for $435.00 for replacement of just the front sensor. Link to comment Share on other sites More sharing options...
Nrw Posted August 15, 2012 Share Posted August 15, 2012 Passenger side in the exhaust manifold. Easy to get to. Rear one is in the downpipe. Front o2 sensors aren't cheap and are very important. Link to comment Share on other sites More sharing options...
jfg22557 Posted August 15, 2012 Share Posted August 15, 2012 OEM part # 22641aa32a. Should run you in the neighborhood of $140-180 if I remember correctly. Also believe its a Denso sensor, just for reference. Avoid the stealership at all costs, no pun intended. Link to comment Share on other sites More sharing options...
Gex Posted August 15, 2012 Share Posted August 15, 2012 Replacement would be easy. Drop undertray and manifold heat shield. 12mm long socket. Sensor is right there. 22mm wrench take out, put in new , and run the plug up. Would take a tech 15-20 mins to change. The rear cost about $58 the fronts run $150 iirc. Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted August 15, 2012 Moderators Share Posted August 15, 2012 The front o2 sensor is less than $100 on amazon or at napa autoparts. Install requires only an o2 socket and you can get to it through the passenger wheel well, don't even have to pop the hood. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted August 15, 2012 Moderators Share Posted August 15, 2012 Replacement would be easy. Drop undertray and manifold heat shield. 12mm long socket. Sensor is right there. 22mm wrench take out, put in new , and run the plug up. Would take a tech 15-20 mins to change. The rear cost about $58 the fronts run $150 iirc. Don't do this, too much effort. Turn the wheels all the way to the right and look in through the wheel well in front of the tire and you'll see the o2 sensor sticking out. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted August 15, 2012 Moderators Share Posted August 15, 2012 Sorry for the triple posts here, on my phone. Call napa tomorrow and they should be able to hook you up with the correct part. If its more than $100 get the part number and order on amazon. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
Nrw Posted August 15, 2012 Share Posted August 15, 2012 The front o2 sensor is less than $100 on amazon or at napa autoparts. Install requires only an o2 socket and you can get to it through the passenger wheel well, don't even have to pop the hood. idk about you, but my arms aren't skinny enough to run the wire up and do deal with the plugs Link to comment Share on other sites More sharing options...
joeleodee Posted August 15, 2012 Share Posted August 15, 2012 Where is the location of both O2 sensors? I have the P0134 code telling me my front sensor needs to be replaced. A local dealer is trying to rake me for $435.00 for replacement of just the front sensor. $435? Actually, you may need to pop the hood to release the bad o2 sensor from the port and plug the new one in. However, I've changed the actual sensor numerous times by turning the wheel like mentioned before and accessing the manifold that way. Should probably only take a few minutes of real actual work. Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted August 15, 2012 Moderators Share Posted August 15, 2012 Ah yes. You do have to open the good to unplug it, forgot about that. Just get a friend to help you thread the wire back up. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
jfg22557 Posted August 15, 2012 Share Posted August 15, 2012 Get it from Napa then. Guess a sensor is just a sensor, but a good friend of mine and probably one of the highest respected tuners in the country who unfortunately passed a few weeks ago, Chris s. kiewert of EFI Logics, specifically told me a few years ago when my OEM front o2 was shot to not get anything other then either OEM Subaru or Denso, which I believe the two may be one in the same but don't quote me. I got at mine using Bar's method. Link to comment Share on other sites More sharing options...
Aqueous Thought Posted August 15, 2012 Author Share Posted August 15, 2012 anyone got a pic of the location? Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted August 15, 2012 Moderators Share Posted August 15, 2012 The one that napa has is denso (same as OEM, although some of the OEM's are apparently Bosch). EDIT: I can take a pic for you tomorrow morning. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
Aqueous Thought Posted August 15, 2012 Author Share Posted August 15, 2012 Thanks BarManBean much appreciated for the pic. Link to comment Share on other sites More sharing options...
jfg22557 Posted August 15, 2012 Share Posted August 15, 2012 Glad to hear napa has the denso sensor, I had no idea as I hadnt looked into this sensor replacement myself for quite some time. Heres some pricing info from rock auto: Bosch http://i731.photobucket.com/albums/ww312/jfg22557/Screenshot2012-08-14at111021PM.png Denso http://i731.photobucket.com/albums/ww312/jfg22557/Screenshot2012-08-14at111010PM.png Admittedly overpaid for mine through FBP 2 years ago. Link to comment Share on other sites More sharing options...
Gex Posted August 15, 2012 Share Posted August 15, 2012 http://img856.imageshack.us/img856/7959/p1050764u.jpg Passenger side wheel well. With undertray off. Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted August 15, 2012 Moderators Share Posted August 15, 2012 There's the pic, good thing because I didn't want to walk back to the garage, lol. I'm pretty sure you can pull the one pop-it that holds the undertray there to access to O2 sensor for a quick in-and-out job. You just have to bend / pull the undertray out of the way a bit. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
Max Capacity Posted August 15, 2012 Share Posted August 15, 2012 I don't recall pulling the undertray. Just remove the right front tire, there is a panel there and you can replace the front O2. I paid like $120 fron my local auto parts store. Call around, some stores told me 2 weeks to get one, the thrid place I called Car Quest, could have one by noon time. Easy to replace if you have a good O2 sensor socket, hint, I wrap my socket in a hose clamp to keep it from spreading. PB Blaster and Anti-seize compound are you friends. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
Aqueous Thought Posted August 15, 2012 Author Share Posted August 15, 2012 I definetly will be replacing the bad sensor along with my front brake pads this weekend. I see Napa has the front O2 for the most reasonable price out of all the local chain stores. Link to comment Share on other sites More sharing options...
Max Capacity Posted August 16, 2012 Share Posted August 16, 2012 Here's a shot, see the hole in the manifold at the bottom of the picture. http://i185.photobucket.com/albums/x40/92Si/DSCN4777.jpg 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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