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Discussion Starter #1
i have a 86 samurai with a 94 tracker 1.6 8v in it today I went outside and started it up was idling good all of a sudden it started running rough got to looking around and found its not firing on the back 2 cylinders they have fire it fires right up and runs just rough I pulled all the plug wires off while running and no change in the last 2 swapped out the 1 plug with the 4 plug to see if it was a bad spark plug and still not firing on the number 4 its not running hot has good oil pressure no water and oil mixture what would cause it to just drop the last 2 cylinders.
 

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Discussion Starter #2
ok I went out and took all the spark plugs out and did a compression test and 1 and 2 are around 185 3 and 4 are around 180
 
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