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The truck has been sitting for over a year. It ran fine before being parked but now it seems to be only running on 4 cylinders. Any advice on why the passenger side injectors won't spray fuel? The whole bank is dead. Truck is a 2002 6.0 gas with auto and 4x4
 

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..or perhaps mice happened to chew on the wrong wire.
 

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I think if all dead ones are on one side, than check the wiring. Use Noid injector test lights. good luck, Rob
Pink is 12v and color is 5v. Grounded inside the pcm. Only test is to unplug them.
 
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