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 Oxygen sensor light stays on
#680089
12/26/05 09:38 PM
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Joined: Dec 2005
Posts: 8
OP
Need a Spot
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I have a 1990 Isuzu4x4 spacecab,it needs restoring some,I rebuilt the underside of the cab and the frame is rough.The check engine light goes out but the oxygen sensor light does not.I have changed the sensor,and i have changed the computer with a spare one I have.I have the factory service manuals and have checked for fault codes on the truck,everything seems okay other than this light.I have just purchased an1989 Isuzu the same as mine for parts,Ithink I will try it's computer and see what happens.Other than the light the truck works good
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Re: Oxygen sensor light stays on
[Re: toosexxy]
#680090
12/26/05 09:47 PM
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Joined: Jun 2004
Posts: 576
Rock Warrior
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Welcome to the Wire <img src="/forums/images/graemlins/cheers.gif" alt="" /> The way to turn off the O2 light is to pull the gauges out and move a screw from one spot to another, effectively cutting the circuit for another # of miles. Madcat <img src="/forums/images/graemlins/kewl.gif" alt="" />
1979 Pontiac Trans-Am - looking 4 a pontiac 455cid
1988 Trooper II - AMC head, .030 overbore, Calmini cam. Toga HV oil pump, Aisins, soon 2 b turbo
1989 Impulse Turbo - Fidanza flywheel, 270cc injectors, turbo-back exhaust, KYBs F/R
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Re: Oxygen sensor light stays on
[Re: toosexxy]
#680091
12/26/05 11:48 PM
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Joined: Dec 1999
Posts: 1,035
Body Damage is Cool
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The light comes on every 90,000 miles regardless. Here's a detailed explanation: http://www.houlster.com/amigo/how-to.htm#O2_lightCheers..........ed <img src="/forums/images/graemlins/patriot.gif" alt="" />
'90 Troop 3.4 LS
'89 Troop RS (Has Valve Issues, needs Counseling)
HI, I'm Ed and I'm a Trooper-holic!
Keep On Troopin'......
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 Re: Oxygen sensor light stays on
[Re: Ed Mc]
#680092
12/28/05 04:48 AM
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Joined: Dec 2005
Posts: 8
OP
Need a Spot
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thks guys, i have been looking at this problem for some time now.The factory manuals have not said anything about the reset,at least that I could find.I knew it didn't seem to affect the way the truck worked but I couldn,t get the light out.Thks again and happy holidays.
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Re: Oxygen sensor light stays on
[Re: toosexxy]
#680093
12/28/05 05:34 AM
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Joined: Apr 2000
Posts: 7,268
Isuzu Moderator
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The factory manuals have not said anything about the reset,at least that I could find.
Keep reading. It is there along with the instructions on how to reset the light. Look in the Emissions section.
Michael
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Re: Oxygen sensor light stays on
[Re: mlclark]
#680094
12/28/05 10:38 AM
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Joined: Aug 2005
Posts: 111
Wheeler
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Mine has a sticker on the back.
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Re: Oxygen sensor light stays on
[Re: Don_W]
#680095
12/29/05 04:32 PM
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Anonymous
Unregistered
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Smog station doen't check this light as part of the check, they look at the check engine one
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