5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Bank 1 fuel injector wire harness

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Old 04-28-2018, 10:39 PM
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Bank 1 fuel injector wire harness

Hello I'm wondering if the fuel injector wire harness is removeable on bank 1. Asking because when I push 2 of them down they don't click like the rest do. I was trying to trace the wire harness but it goes behind the motor and can't really see if it can be unplugged.
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Old 04-30-2018, 01:49 PM
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If bank 1 is cylinders 1,3,5 then yes. There is a little difference between the 3.0 and 3.5 engines, but it is a smaller section of wire harness. The harness section runs the injectors, the oil pressure sender and a crankshaft sensor. On the 3.0 it is the crankshaft pulley sensor. On the 3.5 it is the flywheel sensor. It plugs into the main engine harness in the area of cylinder 1 above the valve cover. It is an 8 pin connector, I think blue color.

You might want to consider cutting the fuel injector connectors off a junk yard car and soldering (not crimping, not twisting, not wire nut) on to your harness.
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Old 04-30-2018, 08:40 PM
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Originally Posted by DennisMik
If bank 1 is cylinders 1,3,5 then yes. There is a little difference between the 3.0 and 3.5 engines, but it is a smaller section of wire harness. The harness section runs the injectors, the oil pressure sender and a crankshaft sensor. On the 3.0 it is the crankshaft pulley sensor. On the 3.5 it is the flywheel sensor. It plugs into the main engine harness in the area of cylinder 1 above the valve cover. It is an 8 pin connector, I think blue color.

You might want to consider cutting the fuel injector connectors off a junk yard car and soldering (not crimping, not twisting, not wire nut) on to your harness.
thanks man yeah i tried to follow that harness but it seemed to go all the way down to the rear of the engine and i couldnt see where it ended. So i just got 2 fuel injector connectors off a junkyard car. I then broke the connectors on my car down to the two wires and inserted the new connectors. pretty easy lol although i would have liked to just plug and play and installed the wire harness on that side lol.
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