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NEED HELP BLINKING CODE 43

Discussion in 'HYBRID -> ED-EF / DA' started by Robs_b20b, Mar 8, 2004.

  1. Robs_b20b

    Robs_b20b Junior Member

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    I have a b20b swap in my 1991 civic dx I got it converted to mpfi by the simple wiring and it runs but it sputters a lot the ecu is currently a throwing a code 43 which is a Fuel Supply System defective or malfunctioning fuel supply system, But I can't seem to find where the problem is. Any suggession will be greatly appreciated. :D
     
  2. wildbillhatchbac

    wildbillhatchbac the OG VIP

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    test your fuel pressure as well as searching for a dead cylinder which could be cause by a bad injector. if you find a dead cylinder swap the injector from that cylinder whit another cylinders injector and see if the dead cylinder follows the injector. . . good luck
     
  3. joesefcivic

    joesefcivic Senior Member

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    fuel delivery system!
     
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