2005 chevrolet impala 3.4L where is cylinder 4 located? (po304)

2005 CHEVROLET IMPALA
90,000 MILES
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LAWRENCECHRISTOPHER2010
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3.4L V6 (distributorless) I have a bad #4 fuel injector (PO304). The problem is finding the #4 fuel injector. There are numbers stamped on manifold, but their location on the air intake + next to a cylinder raises questions on which cylinder is which. I have extracted the fuel rail and attached injectors, I need to know which one is #4. Is number 4 located on the front(facing radiator),or the back(facing the firewall)?
Feb 19, 2012 at 9:10 PM
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RASMATAZ
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See below-
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Feb 19, 2012 at 9:24 PM
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LAWRENCECHRISTOPHER2010
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How do you know what side is the front? My engine sits with 3 injectors paralell to the radiator, and 3 injectors parallel to the windsheild. It faces differently then your diagram.
Feb 19, 2012 at 9:40 PM
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