1990 240 ka24e bad misfire, dead cylinder???

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240tunerguy
Posts: 156
Joined: Mon Jul 10, 2006 12:04 pm
Car: s13

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tried testing the resistance on the injector its good 13.5 or so its good i think i dont know what else it could be i really need any body elses help i really need my car back. i have cars to get me around but this is my favorite merry christmas to you all thank you and good night.


bwscapecod
Posts: 13
Joined: Mon Nov 27, 2006 4:22 am
Car: 1991 240sx

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I may have a similar problem with all 4 injectors..... seems like an electrical issue. Car would not start, pulled injector plugs one by one and began to fire on first one, then more and more each one, started after pulling 1st three. #1 injector is brand new. I am confused and don't know if the signal comes direct from the computer? Maybe this helps, maybe not, just thought I'd mention it, let me know if you have any ideas for me? (p.s. seems like there is a misfire when running, vibration, slightly rough running)

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240tunerguy
Posts: 156
Joined: Mon Jul 10, 2006 12:04 pm
Car: s13

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thanks for the input. i ran a compression test and on cyl 1 it was 0 two was 165 three and four was 160 i talked to a mechanic in my family after i tested it and he says i have a bent valve so back to ripping the motor apart. i might say to hell with it and get the sr20 for it just like my other one. thanks again.


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