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Confused on which injector plug goes to which injector

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Old 05-28-09, 02:30 AM
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Confused on which injector plug goes to which injector

Hey guys i'm reassembling my motor and forgot which injector plugs go to which injector.

Each Harness has a injector plug with a short wire and a plug with a long wire. which goes where?
Old 05-28-09, 10:41 AM
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Download a copy of the factory service manual from the link in the FAQ. The wiring diagram will provide wire colors and from that you can determine which wires go with which specific injector.
Old 05-28-09, 11:27 AM
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this applies to s4 T2 but I don't think it changes much with other models.

short plug goes to primary injector, long plug goes to secondary injector. There are two "branches" of the harness, one for the front injectors and one for the rear. The branch with the green fuel injector style plug (water thermosensor) is for the front injectors.
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