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1994.5 model year

Hoping people can post up with features, specs, or parts that are unique to the 1994.5 powerstroke trucks. For the most part, things seem to cross over with 1995 and newer models, but not everything.

I'll start:

 

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Main serpentine belt:

94.5 uses a different belt, which is approximately .4" longer than the 95'+ belt (it also have 7 ribs vs. 8, but that difference wouldn't matter).

So, when searching/ordering belt, make sure to select 1994 as model year and then select F code as the engine.

 

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They also used the OBD port under the hood with very limited diagnostics (until they were reflashed to later PCM programming).!

Mine still has/uses obd under the hood. Can you explain what/how/where i could get reflashed and hopefully is plug under dash, be able to get diagnostics, and/or "re-tune"

 

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Thank you PF