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CEL Code 43

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Old Jan 26, 2005 | 02:12 PM
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Default CEL Code 43

My car throwing a code 43 which is the Fuel Supply System. I have no idea which catergory in the fuel is that in.
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Old Jan 26, 2005 | 02:30 PM
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I would start looking at the fuel filter or the primary o2 sensor as probable causes. That's just where I would start though. The fuel filter would run you less.

Does the car run rich and/or sluggish? How much mileage on the car?
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Old Jan 26, 2005 | 02:43 PM
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Yeah I think my car is running rich. There has been build up on my rear bumper.
But it might be oil. Car is at 103k as of now. What else or what could be?
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Old Jan 26, 2005 | 02:51 PM
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I dont think it would be a bad o2 sensor your only getting code 43 if you had a bad o2 you would get a CEL for that to. What kind of Mods do you have on your car? What kind of car is it?
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Old Jan 26, 2005 | 03:00 PM
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I got a 94 GSR with just SRI and skunk2 intake manifold. The engine light started appearing after i installed my manifold. The engine light comes on everytime i hit from 60-80mph.
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Old Jan 26, 2005 | 03:11 PM
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check the fuel rail and the injectors since you removed them
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Old Jan 26, 2005 | 03:39 PM
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So what am i looking for when i'm checking these?
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Old Jan 26, 2005 | 03:51 PM
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check if the injecorts are all the way in. Im not saying this is your problem just a possiablety
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Old Jan 26, 2005 | 04:08 PM
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I heard they can leak, how do i look for that?
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Old Jan 26, 2005 | 04:25 PM
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Originally Posted by Kyo Kusanagi
I heard they can leak, how do i look for that?
Check to see they are all the way in, and the orings are sealing.
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