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04-29-2009, 02:20 PM
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#1 | |
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Registered User
1995 YJ Wrangler
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2.5L Runs Fine Until...
My 95 Wrangler 2.5 runs fine until I plug in the O2 sensor. Then it bucks and kicks after a while. Unplug it and it runs fine on default. It's a new O2 sensor. It didn't have one hooked up when I got it. Thoughts?
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1995 YJ, 2.5L, RE 4" lift, 0" Body lift, JB SYE, Woody shaft, FoMoCo e-Fan, 4.0 TB, 19lb Ford Style 3 Injectors, American Racing Bajas, 33" Toyo A/Ts /l , [____], l---L--[]lllllll[]- ()_) ()_)==@=)_) |
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04-29-2009, 04:27 PM
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#2 |
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Registered User
1995 YJ Wrangler
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No one?????
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1995 YJ, 2.5L, RE 4" lift, 0" Body lift, JB SYE, Woody shaft, FoMoCo e-Fan, 4.0 TB, 19lb Ford Style 3 Injectors, American Racing Bajas, 33" Toyo A/Ts /l , [____], l---L--[]lllllll[]- ()_) ()_)==@=)_) |
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04-29-2009, 04:59 PM
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#3 |
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JeepForum.com
 
1995 YJ Wrangler
Join Date: Feb 2009
Location: Los Angeles. California. United States.
Posts: 5,110
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You got a bad 02 sensor maybe? Oh it's new.. wow that is weird. Electrical problem then I guess.
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04-30-2009, 07:16 AM
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#4 |
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Web Wheeler
1989 YJ Wrangler
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O2
Replace the o2 sensor with the ignition off, do a battery reset. Computer has a adaptive memory and it may be the memory effecting your stored calibration.
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04-30-2009, 09:41 AM
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#5 |
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Member
1991 YJ Wrangler
Join Date: Jul 2007
Location: Ellisville, Mississippi
Posts: 252
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What kind of O2 sensor? A lot of people have had problems with the Bosch O2 sensor which for some reason is about the only kind that must discount auto parts places want to carrier in-store. I have heard Denso has a good one.
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05-02-2009, 05:10 AM
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#6 |
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Registered User
1995 YJ Wrangler
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It's a Borg Warner sensor...I've used them before with no problem. As for resetting the PCM, Just leave a battery cable off for 30 seconds right?
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1995 YJ, 2.5L, RE 4" lift, 0" Body lift, JB SYE, Woody shaft, FoMoCo e-Fan, 4.0 TB, 19lb Ford Style 3 Injectors, American Racing Bajas, 33" Toyo A/Ts /l , [____], l---L--[]lllllll[]- ()_) ()_)==@=)_) |
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05-05-2009, 01:41 PM
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#7 |
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Web Wheeler
1989 YJ Wrangler
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Battery reset
A long 10 count will do it....1 Mississippi........2 Mississippi
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05-05-2009, 05:03 PM
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#8 |
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Registered User
1997 TJ Wrangler
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just try and use another one I work at a parts store and i see those things come back defective every now and then
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