Search Results for ‘o2 sensors’

Hey all, Trying to maximize my MPG and heard that Fuel Injectors and 02 sensors are a great place to start, what would be the best fuel injectors and O2 sensors for MPG specifically for my 99 4.0 WJ?

Ok so i just got a 98 zj off a buddy of mine. Its running a 318 v8 and its giving me a p1151 CEL code for the after cat o2 sensor. i checked the live data and its not showing any voltage for all 3 sensor as well as -100% STFT. harness tested out as well but im not getting a reading on the...

I have to drive from Florida to Pennsylvania in two weeks and as of right now my jeep does not run. It all started 2 months ago when I let a friend drive it and he came back and said it had over-heated. Sure enough, it had, so I went about replacing the t-stat, water pump, and ALL fluids. I...

I have an 04 LJ. My check engine light has been coming on and off for the last 7-8 months. Its been the same code each time. P0420. Basically it says its a bad cat, engine mechanical problem, or bad o2 sensors. Im assuming that since the light is turing on and off every couple months, its an O2...

So last summer my check engine light came on and I knew what was and I had it scanned to be sure and sure enough it was sensor 2, replaced it and a few weeks later engine light came back on, ok so had it scanned again and came back to sensor 1 and replaced that one to. Well, few months later I...

I'm a new Jeep Wrangler owner. I had bought a 2007 Wrangler Unlimited X from a wholesaler in Novemer 2011. Not long after buying the Jeep I started having to put money into it - replaced the steering assembly and axle seals, frozen rear calipers, O2 sensors. AC compressor had gone bad, water...

'99 4.7L V8, 160k, seems to be doing fine right now, no codes. Since I know the spark plugs are at least 5-7 years old, and may be original, I am going to replace them. There are no codes, but I was also thinking about replacing the O2 sensor(s) (Federal Emissions). A few questions; 1) I have...

Sort of a continuation of another thread that started going off topic... (seen here: http://www.jeepforum.com/forum/f13/shorter-serpentine-belt-vs-bypass-pulley-1439129/#post14469608) I have developed very poor fuel economy. Keep getting p1294 code after changing TPS, cleaning MAP, cleaning...

This is my problem, I did a 97 2.5 to a 2000 4.0 engine swap. I have hooked most of the connections needed, but when I got to my O2 sensors they did not match. my O2 sensors are from my 97 2.5. both connectors are round and both have 4 wires. They are just different and will not connect...

Where is the bank 2 oxygen sensor 1 located? I know it is a downstream sensor and I located both directly after the cat, but I dont know which one it is? Thanks!