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Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

code 43, fuel system supply

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Old 02-25-2006, 09:47 AM
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Default code 43, fuel system supply

i am throwing code 43 (fuel system supply) and i have searched up a bit to so what it is that causes it, but i havent really came to any conclusions on what to check. i have a 95 civic coupe with a jdm b16a-turbo. my fuel system consist of a walbro 255lph and dsm 450's. i am on a basemap so could it be because im running rich? just an idea.
Old 02-25-2006, 09:48 AM
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Default Re: code 43, fuel system supply (tallyturbo)

code 43 usually gets thrown when your primary o2 is gone ... o and it could be from running rich also causing the o2 to get fouled up
Old 02-25-2006, 09:55 AM
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Default Re: code 43, fuel system supply (fizeks)

i know fure sure that it is running rich so maybe it did get fouled up. what happens if i keep running my car like this? the cel only comes on when the car warms up about everyother day, but when i turn the car off and then turn it on it wont come back on.
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