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93 Civic with itermitent starting issues

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  • #535654
    dlcraig1dlcraig1
    Participant

      93 Honda Civic 1.5 litre with intermitent starting issues. Ocasionally when you turn the key it just clicks. After several attempts it will turn over. Sometimes it works fine for days. Yesterday I tried to start it and it cranked but won’t start, I had no fuel pressure. Checked relay, I could hear and feel it clicking so I checked for voltage at fuel pump, had voltage but it was inconsistant. I jumped the relay and fuel pump took off, I plugged the relay back in and magically I had power to the fuel pump and the car started. I put everything back together and then the car wouldn’t start again. I tap on relay housing and wiggle harness and now magically car runs again. Relay looks fine. No melted connections or burnt spots. I’m wondering if everything is related to the ignition not working all the time or if I have multiple problems. Anyone else had a problem like this?

    Viewing 4 replies - 1 through 4 (of 4 total)
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    • #535662
      DanielDaniel
      Participant

        It sounds like a bad connection. You may want to start by hooking a multimeter up to the connection at the relay. Wiggle the wires and see if the current drops. A wiring diagram would help, cause you may have to trace the lines back (continually checking current at different connections) until you find the faulty connection. Or you could have a shop check it out.

        #535672
        dlcraig1dlcraig1
        Participant

          Thanks for the response. I was kinda thinking it might be shop time. I just hate to give up. I’m used to doing most of my own repairs but this one has me spinning a bit.

          #535701
          college mancollege man
          Moderator

            seeing you tap the main relay and it works.
            Try this.

            #535724
            DanielDaniel
            Participant

              I work in a shop and sometimes have to give jobs up to the more senior techs. I’m still not great with electrical diagnosis. I own a late 80’s Camaro that I’m gonna have to pay one of them to look at, cause I’m stumped.

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