missfire in cyl #1

Information on the naturally-aspirated KA24E and KA24DE engines.
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johntom
Posts: 74
Joined: Sun Jul 19, 2009 6:36 am
Car: 1991 240sx fastback

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its not a spark issue, all new plugs and wires all tightly connected, so onto the problem ,after sum sunday driving i bring it back home and about a block away from my house i notice power loss, so i open the hood and start unplugging plug wires to see wat cylinder is doing it its #1. i unplugged the injector and checked riesistance, it was like 10.50 volts, meanwhile all others are 12, i also had the car running with cyl #1 injector plug off and checked voltage coming from the plug(13.25v) then i put the noid light on to check pulse, pulse is good.

so no ecu, or harness problems is there a way to solve this problem without a new injector or what?

Modified by johntom at 9:43 AM 4/4/2010
Modified by johntom at 10:08 AM 4/4/2010


User avatar
johntom
Posts: 74
Joined: Sun Jul 19, 2009 6:36 am
Car: 1991 240sx fastback

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ok well, it was a bad injector, so i replaced it with one froma sentra runs real good and seafoam wrks great!


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