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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


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Old 10-14-2009, 10:27 AM   #1
carcrzy920
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RB rb20 spark issue

okay so i found out my ecu was bad from be being a dumb*** not going to get into that. okay but i got my new ecu now and i got the car started. but it only runs on 2 cylinders. better than none like before the new ecu. i can start the car and itll idle on its own with 2 cylinders but it runs like poo. when its idleing i can unplug #2#4#5#6 from front to back and nothing happens runs exactly the same. checked voltage on the coil harnes and its barely getting .1-.2v on the signal wire on all those cylinders. so im thinking my ignitor is crap. just wanted to get a little advice before i go dumping more money into crap i might not need. i was thinking about the j30 ignitor but i dont know which years would work. all the ones i see at the junkyard dont have hitachi or mitsu on them anywhere. last one i wired up before my new ecu melted itself and it didnt have any marking on it but nissan and the part number. thanks for any responders.
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Old 10-14-2009, 04:41 PM   #2
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change your ignitor if it persists , check grounds. if problem is still there after that ... you might need new coil packs
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Old 10-14-2009, 04:50 PM   #3
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^Werd, change your ignitor first, basically everything he said. lol
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Old 10-15-2009, 09:14 AM   #4
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i have someone coming over this weekend hopefully with his rb20 s13 too find out whats up with my car. thanks guys.
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