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cb7 wont start

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    #1

    cb7 wont start

    I havent been around here in quite awhile but posting for a friend. I've searched and search on both problems and not really found anything to pin point the problems. 1st off He has a 92 f22a1 5 speed. When he bought the car it drove very well for about two weeks and just shut off so i went over and checked somethings out. He's getting spark and fuel at the fuel rail and took the starter to autozone and its working fine.Changed the cap and rotor,wires and plugs,fuel filter,fuel pump and resoldered the main relay.I also checked all the fuses and they are all good im thinking its either the injectors are not opening or the ecu is going bad. any ideas anyone?
    i also didnt want to start another thread but on my sisters 91 auto f22a1 its leaking from between the dizzy and the head? maybe the o-ring is shot but i just replaced the dizzy with a brand new one about 2 months ago and torqued it down to spec. she also has a new valve cover gasket done 2 months ago aswell. all help is very apprechiated..
    Tags: None
    #2
    i would replace the injectors considering he already replaced the main causes of this problem. buying new can be costly too, do some smart shopping before you buy. and abt the auto, mine is a 5 spd but i had the same prob with a new dizzy.just replace the "O" ring bc it is possible for them to go bad sitting in the inventory room somewhere.

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      #3
      on the injectors can i take them out and clean them? hes kind of low on money.now could a reason for the injectors not opening be a faulty wire could i use a circuit tester and check them? and i could just buy a o ring from a part store or do i have to get a universal o ring set?

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        #4
        It may be the injector resistor box.






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          #5
          and thats located on the right by the driver strut correct anything else i should look for?

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            #6
            Yeah, that's where you can find it. I've only seen one instance of that going bad on this site... but seeing it just once proves that it can happen! I wouldn't know how to test it (perhaps testing the resistance at the injector plugs?), but I'd be willing to be it'd be fairly cheap from a junkyard. They aren't common things to fail, so a junkyard part may work just fine. I believe it's a pretty simple thing to replace, so it might be worth a shot.






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              #7
              well after taking a look at my sisters cb7 the o ring was shot along with oil inside the dizzy cap not too much but better safe than sorry i exchange it with another still had warranty works great. then along came a different problem when i popped the hood the alternator pully was completely gone and this is a new one replaced within 2 months ago never seen that happen before but also under warranty replaced it and car runs very smooth now..now for my friends cb7 im going to look at it friday so ill let you guys know what the problem was thanx to all again

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                #8
                Is it actually cranking? I ask because if it was cranking, i don't know why you would have taken the starter to check if it was working.

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                  #9
                  not it wasnt cranking. the battery was completely dead went and got it charge then it would start cranking but will not start. i just like to be 100% certian everything is working. im going to check the injectors and the resistor pack tomorrow

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