2002 Ford F-550 7.3 diesel contribution test

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Posted to HD/Fleet Forum on 10/15/2013 11 Replies

The above vehicle has a rough idle and sets PCM code P1316, indicating an IDM code. KOEO test fails with code P1278, indicating an issue with #8 injector or wiring.

But, when running the cylinder contribution test, codes come up for P0269 and P0284, indicat... Login to read more.

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