veach
Need a Spot
Reged: 11/01/06
Posts: 16
Loc: indiana
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i just got done rebuilding my 86 4runner it has a 22re in it and today i drove it. it had a half tank of gas in it i drove probly about 80 miles and now it is down to empty once again. i think it might be a problem with the air fuel mixture but i am not sure. and if that is the problem i dont know how to remedy it. if u have any ideas please let me know thanks
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zachtheterrible
Getting the Wheeling Fever
Reged: 11/12/06
Posts: 93
Loc: Southern California
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Check to make sure you don't have any leaks in the fuel tank/fuel lines. Also, could your gas gauge just be giving you a bad reading? It's best to start of with simple things, mostly since I'm a carbie and I don't know much about EFI 
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1984 Toyota Pickup
22R, carbureted
Aussie lockers front n rear
4.88 gears
35's
Full exo
Marlin crawler
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hdrisc
Getting the Wheeling Fever
Reged: 10/28/05
Posts: 72
Loc: Connecticut
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A dirty air filter will hurt your fuel mileage also.
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zachtheterrible
Getting the Wheeling Fever
Reged: 11/12/06
Posts: 93
Loc: Southern California
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Was this something that happened suddenly or over time?
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1984 Toyota Pickup
22R, carbureted
Aussie lockers front n rear
4.88 gears
35's
Full exo
Marlin crawler
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drainsbe
Wheeler
Reged: 10/01/03
Posts: 183
Loc: DFW
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Any codes?
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Dave
86 4Runner, 22R-EB
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ForOffRoad
Need a Spot
Reged: 02/17/07
Posts: 12
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I only get 220 km when I am driving off road, and 270 km when I don't. That does sound about right, doesn't it? Or do I am something wrong too????
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bkg
Roll Me Over
Reged: 02/15/01
Posts: 3935
Loc: Minnesota
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Quote:
i just got done rebuilding my 86 4runner it has a 22re in it and today i drove it. it had a half tank of gas in it i drove probly about 80 miles and now it is down to empty once again. i think it might be a problem with the air fuel mixture but i am not sure. and if that is the problem i dont know how to remedy it. if u have any ideas please let me know thanks
Define "just got done rebuilding...." Does that mean the engine, the entire truck? Missing information here.
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Brian K. Gallus
I have nothing important to say.
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Staceman
Body Damage is Cool
Reged: 09/30/03
Posts: 1684
Loc: Phoenix, Az
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How old is the o2 sensor? A defective one will cause the motor to run a richer mixture, therefore, dumping more fuel into the engine.
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85 4Runner - With NEW Marlin 4.7 Gears!! It's a whole new beast!
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CJM
Body Damage is Cool
Reged: 09/22/03
Posts: 1835
Loc: Penticton BC
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welcome to the 300 club 
mine also is in the same boat .. I use to get 400 per tank , untill I burnt a valve . I ended up driving it for quite awhile before repairing , but when I finally did (rebuilt complete engine )
I have replaced everything , including new o2 sensor , throtle body, rebuilt injectors , temp sensors .. actually , its easier to say what I havent replaced ..
computer
air flow meter
i'm on stock size tires , with only a canopy .
I just did a new exhaust as well , and now my tail pipe is black , and also i'm getting some back firing when coasting down hill .. It , is absolutly running rich , and i cant figure it out 
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86 4x4 , fiberglass bed , 1/2 doors , hood, etc..
84 Custom 2WD 400HP supra suspension , full frame
83 Trekker SR5
NEW Trekker forum
Edited by CJM (03/21/07 10:56 AM)
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89PU
Getting the Wheeling Fever
Reged: 02/12/07
Posts: 38
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How's the fuel pressure?
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