'01 No Oil pressure

Bobus

Powerstroked
Joined
Nov 6, 2007
Messages
2,894
I just bought a '01 Duramax.. I did an engine swap a few yeas back on it and I think the engine is a '03, The Oil Pressure gauge doesn't read anything.. is this a common problem or is it cause of the mis-matched years?
 
03's do have different electronics I believe, at least the body does
 
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