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

getting to much fuel?

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Old Feb 26, 2010 | 12:38 PM
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From: Lewiston, Idaho
getting to much fuel?

(22re) pulled the plugs and they smell like gas and are a bit black! If it is getting to much fuel ware to start pinning it down? All ideas are welcome also ways to test stuff out!
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Old Feb 28, 2010 | 04:19 PM
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anyone have a clue?
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Old Feb 28, 2010 | 04:27 PM
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Check the 02 sensor, the computer uses it to read the air fuel ratio, if its bad it could cause your truck to run rich or lean, in your case rich, so i would start there first.
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Old Feb 28, 2010 | 04:34 PM
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o2 is brand new form the dealer
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Old Feb 28, 2010 | 04:36 PM
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I was thinking mabye injectors but not to sure
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Old Feb 28, 2010 | 04:45 PM
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Originally Posted by 94toy4x4fever
I was thinking mabye injectors but not to sure
It wouldn`t be the injectors, try checking the TPS, the computer uses it to tell how far open the throttle is and responds with the amount of fuel needed for the throttle position. If its bad it could also throw things off.
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Old Feb 28, 2010 | 05:59 PM
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Well on that checklist of things to check would be thermostat. Where has your temp needle been pointing? If on the cold side could be running in open loop and computer reading its cold thereby adding more fuel. Is the tailpipe also black and full of soot?

Last edited by boxer.fan; Feb 28, 2010 at 06:01 PM.
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Old Feb 28, 2010 | 08:00 PM
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hey thanks guys good info here havent checked the TPS! But t-stat is new and it does runs kinda cold on the guage not to sure what the real temp is. One thing I did notice is when I first start it up it does blow a little smoke just at start up and its smells like fuel! Not oil at all.
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Old Feb 28, 2010 | 08:09 PM
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Did you drop the 195 degree t-stat in, which is manufacture spec? That will make a difference and could cause it to run cold.
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Old Feb 28, 2010 | 08:24 PM
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no i dident think I got a 160 or 170 that just might be it havent thought of that!
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Old Feb 28, 2010 | 08:35 PM
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anyone have the link to the FSM to adjust the TPS?
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Old Feb 28, 2010 | 08:50 PM
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Check out 4crawlers web site, he has all the info you could ever need for your truck.
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Old Feb 28, 2010 | 09:13 PM
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hey thanks for all the help myyota also the other guys!
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Old Feb 28, 2010 | 09:21 PM
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Originally Posted by 94toy4x4fever
hey thanks for all the help myyota also the other guys!
No problem man, were all here to help each other out. I just noticed your from Lewiston Idaho, im moving to Grangeville Idaho in june, about eighty miles from you.
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Old Feb 28, 2010 | 09:26 PM
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Hey right on that cool! Grangville is cool place I think cuz im a big time hunter and love the woods! To bad I just sold my 87 runner! Oh well I will build another some day!
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Old Feb 28, 2010 | 09:33 PM
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I like to go ATV riding up at fish creek, and do a little shooting. The 4Runner in my avatar is what im working on now, but once i get up there i will need to find a job before i can do anything else.
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Old Apr 6, 2010 | 05:27 PM
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Ok I check out my TPS to the chart on 4crawlers web site. I got no readings at all, with the right feeler guages and testing with my meter. Any ideas on that?
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