Ef fuel problems 1990 civic hatch std

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Old Apr 16, 2007 | 08:06 PM
  #1  
bluez6's Avatar
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From: Cincinnati, Ohio, USA
Default Ef fuel problems 1990 civic hatch std

i went with a std, to mpfi. (d16z6)
im not getting any fuel to my spark plugs. where could i have gone wrong in the wiring, can anyone help me pinpoint? i also went obd1.

someone also told me that std fuel lines (from firewall to fuel rail) were different from the std to si/dx, and that i might need to change them; any truth to this?

thanks in advance
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Old Apr 16, 2007 | 10:59 PM
  #2  
Redline130's Avatar
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Default Re: Ef fuel problems 1990 civic hatch std (bluez6)

Definitely check your wiring. What ecu are you using? What wiring harness conversion are you using? Did you change your distributor? Did you remove the fuel injector resistor? Is the fuel pump working?
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Old Apr 17, 2007 | 07:38 AM
  #3  
mahatma's Avatar
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From: NKY
Default Re: Ef fuel problems 1990 civic hatch std (Redline130)

(as you already know) it's tough to verify your wiring is correct when changing to mpfi and obd1 at once. you need a pinout of the mpfi obd0 and obd1 plugs, but you've got to trace each individual wire from the engine bay, through the obd1 conversion harness, and then to the ecu.

the pinouts are out there, it just takes a lot of time to troubleshoot

did you combine your injector power wires, eliminate the resistor box, and then run 1 power wire to each injector?

hey if all else fails i'm kinda local, you can check mine out it runs fine
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Old Apr 17, 2007 | 12:31 PM
  #4  
bluez6's Avatar
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Default

ya there is a resistor box on it. i ran obd0 injectors with my obd1 conversion. hit me up on csr, my names baltimore.
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