is this an upstream o2 sensor
1455665
put your year, make and model of vehicle in amazon's search...it will tell you
440599
Those threaded sensors were the upstream o2 sensors on my 4.7 tundra v8.. the downstream sensors had a bolt on each side to secure it. At least that was the case for my application.
947353
This is the upstream sensor located in the engine bay going into the exhaust manifold. The downstream is a different model located by the catalytic converter.
487890
I can't answer that for you. I put Freedom Performance radius pipes on mine and it has the O2 sensor. I also put a throttle screw adjust on so I could make adjustments without taking off the tank. Go to one of the Raider forums and ask there. Good luck.
691598
There are (4) O2 sensors two of them upstream of the cat converter, and two downstream of the unit. They are different part's, so there will be two part #'s. 2 of each. Amazon has the best price out there so get them there, and get the AC Delco brand. Another bit of info while we're at it, you will need to get a metric plug to block off an extra hole on the downstream side of the unit. I have no idea why flowmaster put in the extra hole, and why they did not include it the kit if this assbly has other applications. You can get the plug at CARQUEST, it is the same size as the O2 sensor, 18mm if I remember right.... Also cut the (6) nuts off with a grinder on the ex manifolds or may risk the chance of breaking the studs. Then you have to pull the manifolds. It took me (2) hrs to do the job lying on my back, but it came out perfect!!!! Good luck.
786657
No, there is only the one O2 sensor. It is down stream from the headers just under the right hand back passenger seat just before the Catalytic converter. This sensor is a perfect fit with the connector. there is no modifying required. has worked great for me for the last 4yrs. So I cant complain. Hoped this helped.
1449698
Correction: I was mistaken, this did not replace the upstream sensor, it didn't fit, I had to order a different item. My apologies.In my 2005 Pontiac Vibe it replaced the upstream sensor perfectly.
264980
There should be two o2 sensors. One before the cat and one after. For my car (03 Focus) the 15717 went before the catalytic and the 15719 went after.
1977270
This one is placed before the Catalytic converter, on the exhaust manifold. That would be upstream.
1693938
Hello, Sir; For the UPSTREAM CNG Engine the oxygen sensor part number 13117 For the UPSTREAM GAS Engine the oxygen sensor part number 15716 For the DOWNSTREAM GAS Engine the oxygen sensor part number 15717 or 15718. Thanks. Hope this information are helpful. Thanks
1781281
Is there an O2 sensor on the pipe that the fuel module connects to? It should work perfectly as it does on my Yamaha Raider, and I have similar modifications.
1761478
Yes the one I ordered was downstream. Dont forget to get an oxygen sensor socket as well.usually $20 but your parts store might have a loaner program that has one in their inventory.
1562089
2000 Ford f150 5.4L regular gas This part number 15717 is specified for the downstream; bank 1&2, sensor 2 in both cases. Part number 15716 is for the upstream sensors(sensor 1), either bank. These are original spec, exact fit, california approved O2 sensors. They do an excellent job. The downstream sensors can be replaced with a standard box or open end wrench. (I forget the size, 7/8 I think) very easy, takes all of 5 mins each. The upstream are in a much tighter space, especially the passenger side. Passenger side btw is the number 1 bank. Driver side is the number 2 bank. I highly recommend you get the short offset O2 sensor socket wrench. Powerbuilt 648691 Oxygen Sensor Offset Puller or something like it.
1149643
Powerbuilt 648691 Oxygen Sensor Offset Pullerhttp://www.amazon.com/gp/aw/d/B00390BS7C/ref=mp_s_a_1_1?qid=1415260830&sr;=8-1π=SY200_QL40
1606634
Sensor 1 is bad. It's possible sensor 2 is as well but I would start with just sensor 1 because it could be reading "unknown" because the lack of a signal/data from sensor 1. You didn't specify if they were upsteam sensors (O2S11 & O2S12) or downstream after Cat (O2S21 & O2S22), but the upstream sensors are the most important cuz they control fuel trims & Air/Fuel Ratios. The downstream sensor are really only there to tell you if the Cat is good or not. I'm assuming you only have one Upstream & 1 Downstream sensor but some vehicles have more depending on exhaust setup. You may only see O2S11(Upstream 1) & O2S21(Downstream 1) or a combo of O2S11(Upstream 1), O2S12(Upstream 2) & 02S21(Downstream 1). Or even two Downstreams if you have true dual exhaust & not a Y-Pipe. You can tell if it's a upsteam or downstream sensor by the 4th character in the name coding. Example: 02S*1 * = 1:Upsteam, 2:Downstream. You can tell if it's a right or left sensor by the 5th character in the name coding. Example: 02S1* * = 1:one side, 2: other side. (Sorry can remember which one's right & which is left) Hope this helps.
1417200
There could be more than one O2 sensor. This looks like the O2 sensor downstream from the catalytic converter.
1283269
They are two different sensors, i recommend going to the Denso website to get the two part numbers. The upstream fails more often and the downstream one is usually cheaper.