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VN S1 only running on 4 cylinders

norman

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Mar 25, 2009
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VL calais S1
Hi guys. I bought a changeover motor for my S1 VN. I drove the car it was in and it ran beautifully. When the guy removed it he cut all the wires on the engine harness. I have re-attached these and started the motor but it is only running on 4 cylinders:bang:. I put the timing light on each of the spark plug leads, and 2 and 6 aren't working. I put the coil pack into my other VN and it ran fine. I checked the ecu codes and it's coming up with 12 and changed ecu's but it ran the same. Does anyone have any ideas as to what could be causing this?
 

Leebo

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Feb 12, 2009
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89 VN
I had a misfire problem and it was the coil pack i put on a VS coil pack (the one with all the leads on one side) and it ran great again thats the best help i can offer atm.
 
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