3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
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rich fuel problem

Old Mar 8, 2003 | 12:57 PM
  #1  
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From: California
rich fuel problem

i am having a problem with buring too much fuel in my 3rd gen...does anyone know how to tune down the fuel/air mixture?
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Old Mar 8, 2003 | 02:57 PM
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From: Salem MA
do you have an aftermarket ECU?
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Old Mar 8, 2003 | 03:08 PM
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Re: rich fuel problem

Originally posted by jjpnoy510
i am having a problem with buring too much fuel in my 3rd gen...does anyone know how to tune down the fuel/air mixture?
Are you just referring to bad gas mileage?
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Old Mar 10, 2003 | 03:35 AM
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You need to provide alot more info before help can be had. What are your mods and how do you know you are running too rich?
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Old Mar 10, 2003 | 11:32 PM
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From: California
well...my car already had bad gas mileage before like most FDs..but now it suddenly just got worse.(getting about 9mpg mixed hwy/city..used to get about 15mpg) only mod i have on the car is a dual apex power intake...and i recently had a tune up on the car about 4 monthes ago and my spark plugs already need to be changed after driving only about 2,500 miles..means im running too rich on fuel...i tried resetting the ECU but that doesnt work either....so if anyone has a solution or have had a similar problem let me know

-Jun
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Old Mar 11, 2003 | 01:45 AM
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Sounds like your car wants more mods

seriously tho, good luck
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Old Mar 11, 2003 | 01:47 AM
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rynberg's Avatar
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From: San Lorenzo, California
It could be several things:

*bad 02 sensor
*stuck/leaking injectors
*bad thermosensor
*bad pressure regulator
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Old Mar 11, 2003 | 01:49 AM
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try a search for rich in the title...you'll get plenty of answers....02 sensor, fuel filter, etc. good luck.
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Old Mar 11, 2003 | 02:33 AM
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From: California
thnx every1 ill look into all that stuff asap.

heres a few pics of my 3rd gen

http://people.ucsc.edu/~mgeronim/jun3.JPG
http://people.ucsc.edu/~mgeronim/jun4.JPG
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Old Mar 11, 2003 | 02:40 AM
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From: Hawaii
9-15mpg is normal, come back when your getting 5mpg
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Old Mar 11, 2003 | 02:46 AM
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nice car, who painted it and how much?
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Old Mar 11, 2003 | 03:00 AM
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jr autobody in richmond...paid 2,500
4 base coats 6 clear
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Old Mar 11, 2003 | 03:38 AM
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sent you a pm about the paint job....
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