Code results
New User
Joined: May 2005
Posts: 21
Likes: 0
Code readers for these vehicles lead more people down the wrong path than they are worth. The computer system on these vehicles is not smart enough to know when a sensor has drifted in value. It can only tell when a sensor has completely failed (open or shorted). In any other condition the sensor can lead to all kinds of erroneous codes depending on the condition of all the other sensors involved. Symptoms can also change some based on temperture and other conditions but the general symptoms will be relatively constant.
You can deny it all you want but I believe it is the O2 sensor. The symptoms are classic. Since you just got the vehicle you don't know when was it last replaced, if ever. It is likely the reason the vehicle was parked. How many miles does the vehicle have on it? It is recommended that the O2 sensor be replaced every 60K miles. If the plugs were filthy they may have contributed to fouling the O2 sensor.
If you want to start driving it daily change the O2 sensor and save yourself some headache.
You can deny it all you want but I believe it is the O2 sensor. The symptoms are classic. Since you just got the vehicle you don't know when was it last replaced, if ever. It is likely the reason the vehicle was parked. How many miles does the vehicle have on it? It is recommended that the O2 sensor be replaced every 60K miles. If the plugs were filthy they may have contributed to fouling the O2 sensor.
If you want to start driving it daily change the O2 sensor and save yourself some headache.
Thread Starter
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Freshman User
Joined: May 2005
Posts: 28
Likes: 0
Thanks ORLYSAN. It was the o2 sensor. Much easier to replace than I feared and what a perfomance difference. Here's a link to a photo of my old and new sensors if you're interested.
http://files.raycommedia.com/kfvs/bronco/sensor.JPG
thanks to everybody for their help.
http://files.raycommedia.com/kfvs/bronco/sensor.JPG
thanks to everybody for their help.
Thread Starter
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Freshman User
Joined: May 2005
Posts: 28
Likes: 0
I'm still looking at the two KOEO results from my tranny solenoid: 89 & 86. When I was wrestling with my O2 sensor I noticed a stray connector hanging down beside my tranny on the driver's side. I did not see anything to connect it to.
Anybody recognize where this orphan belongs?
http://files.raycommedia.com/kfvs/bronco/tranny.JPG
As always, thanks for your help.
Anybody recognize where this orphan belongs?
http://files.raycommedia.com/kfvs/bronco/tranny.JPG
As always, thanks for your help.
New User
Joined: May 2005
Posts: 21
Likes: 0
Glad that fixed it for you. The old O2 sensor looks like an original. It does make a huge driveability improvement not to speak of the gas saving. LOL
I'm not sure what the tranny codes are as I am not at home and don't have my book. I'm not sure on the cable either but it looks like it should be attached to something.
I'm not sure what the tranny codes are as I am not at home and don't have my book. I'm not sure on the cable either but it looks like it should be attached to something.
Rub my Belly
Joined: Jan 2004
Posts: 3,093
Likes: 1
From: Lawrence, KS
Not sure what that connecter is but I have a similiar one on my standard. It plugs into another conector that is with the reverse light connector on the other side of the tranny. The wires go up into the harness that comes down from the top of the engine. The harness that the dist. and injectors go to. Hope that helps a little.
