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reasons to throw a code 43 "fuel supply system" ???

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Old 10-16-2005, 07:00 AM
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Default reasons to throw a code 43 "fuel supply system" ???

been throwing a code 43 CEL with a P75 ECU anyone have any ideas?
Old 10-16-2005, 09:55 AM
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Default Re: reasons to throw a code 43 "fuel supply system" ??? (93CharcoalHatch)

Old 10-16-2005, 12:16 PM
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Default Re: reasons to throw a code 43 "fuel supply system" ??? (93CharcoalHatch)

mine did that, i just changed the fuel filter and it went away.
Old 10-17-2005, 12:03 PM
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Default Re: reasons to throw a code 43 "fuel supply system" ??? (inline4)

i just changed my fuel filter and havent seen it yet but it does just seem to pop up out of no where usually.. i also think i may be running rich because ive been killing lots of gas it seems.. any other ideas ? thanks for your help so far
Old 10-17-2005, 12:15 PM
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Default Re: reasons to throw a code 43 "fuel supply system" ??? (93CharcoalHatch)

o2 sensor for sure, Ive had that prob before.
Old 10-19-2005, 03:23 AM
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Default Re: reasons to throw a code 43 "fuel supply system" ??? (EK-TSOHCV-TaKRider)

that would be a a reason to run rich and kill gas and get the code 43 CEL?
Old 10-19-2005, 05:05 AM
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also try a valve adjustament that often can cause a 43.
Old 10-20-2005, 03:15 AM
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Default Re: reasons to throw a code 43 "fuel supply system" ??? (93CharcoalHatch)

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