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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Please help! Running rich

Old Apr 20, 2011 | 06:01 PM
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From: Roseville
Please help! Running rich

Maybe one day my runner won't have any problems but today's not that day. Leaving camping on sunday I start my truck and it dies instantly does this a few times then I start it and give it gas get it warmed and it idles low(500) and seems to bounce up a few hundred rpms I have black smoke coming from the exhaust with a horrible smell. When I drive it it feels like it has no power and wants to buck at low rpms. Replaced the air filter, didn't help but thought I should try since there was tons of dust while driving around where I was at and my filter was really dirty. Any ideas before I decided to buy something new
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Old Apr 21, 2011 | 07:06 PM
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From: Roseville
Anyone
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Old Apr 21, 2011 | 07:11 PM
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From: oly, wa
catalytic converter

yours is toast. go to a muffler shop and get a new one.
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Old Apr 21, 2011 | 07:19 PM
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Would gutting it until I can get a new one help
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Old Apr 21, 2011 | 07:29 PM
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yes

that will help. pound on it with your fist hard and listen for loose material bouncing around in there. pull it out and gut it. then put it back on and forget about it. exhaust will be louder, but who cares? run it hard.
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Old Apr 21, 2011 | 08:26 PM
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From: hibbing mn
hate to say but my wife has the same truck color and every thing. Look toward the afm and tps b4 ya put a 60 plus labor cat on it they are nutten but a heating element to burn off stuff a good worken motor will
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Old Apr 21, 2011 | 08:28 PM
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From: hibbing mn
ohm meter is always better then xhaust work
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Old Apr 21, 2011 | 09:36 PM
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From: Roseville
Well gutting the cat didn't fix it hmm
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Old Apr 21, 2011 | 09:41 PM
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From: hibbing mn
well now you have a 4walker and i dont think g lucas is looken for any one :]
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Old Apr 21, 2011 | 09:45 PM
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From: hibbing mn
3.0 is like a fatty that got skinny got work for it if ya want it good wait ok motor when it works but if ya can get all the chipmuks to work together it is a good tar car motor
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Old Apr 22, 2011 | 01:39 PM
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Is it possible this is caused by a bad vafm
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Old Apr 25, 2011 | 07:06 AM
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From: oly, wa
are all your plugs seated? you hitting on all cylinders? check all the simple stuff. if you drove it in there and it was working fine, maybe you just jarred something loose... i dont know.
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Old Apr 25, 2011 | 06:38 PM
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Yea I keep checking everything today i unplugged the egr it drove better but still black smoke but the bucking has gone away and I still have a low idle I've also noticed if I remove the brake booster hose my idle goes up to where it should be. Nothing is adding up
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Old May 4, 2011 | 07:09 PM
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New symptoms I replaced the o2 sensor still no fix thinking maybe it was my vfam so I drove it to my friends a block away and halfway there it started running real bad no power when I hit the gas it was like nothing happened then it started backfiring got to his house put his vfam on and started it it idled high about 1200 but sounded a lot better not like it did before no loping sound then after about 45 seconds it would drop down and die. So I'm thinking it could be the vfam as well as something else? Any ideas
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Old May 4, 2011 | 07:10 PM
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Oh and when I put his vfam on Im pretty sure black smoke went away
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