Only running on 4 cylinders

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Mr1uzcoupe

New Member
Messages
5
Location
Alexandria, ky, Campbell
Ok my 1uz in my 240sx is a 92 ls400 I just got everything put in an hooked up I'm just trying to get it road ready but for some reason all of the wires on the driver side distributor cap they are getting spark but the cylinders aren't firing I started the car an started pulling plugs an all the wires on the passenger side distributor cap was changing how the motor ran but the other side when I pull them it doesn't change how the motor runs idk weather it could be o2 cam sensor or wiring any ideas?
 
Firing order is good I check th timing over an over that good the rotor I thought there was was only one way to put it on? I checked the injector plugs an they seem to be pulsing right Broken cam would that mean both cams would have to be messed up since two cylinders on both sides aren't firing?An intake air leak I don't really hear an air leak but I do hear a back fire almost every time I give it a little rev.
 


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