need help code 43 fuel supply system
09-22-2009, 11:41 AM
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need help code 43 fuel supply system
99 ek with a stock p28..LS VTEC (96 motor harness) all the wires are good..trust me i tested all the wires three times all good...its comes on now and then but its getting old...code 43 what to do or look for some body gota know
09-22-2009, 06:52 PM
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Re: need help code 43 fuel supply system
Pretty much everyone is gonna tell you it's the o2 sensor, which it most likely is. However seeing as it's related to fuel supply it could also be your fuel filter, fuel pump, injectors, or fuel pressure regulator. The o2 sensor seems to be the most common culprit though.
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