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Posted (edited)
32 minutes ago, BAD_TrailBoss3 said:

I have a 2019 5.3 Silverado it seems that the fuel pump has gone out in it but I am unsure of if it is then HPFP or the fuel module in the tank. Any suggestions for diagnostics?

 

 

CEL on?  Any codes stored?  Do you possess a bi-directional scan tool to watch all ECM data?

Edited by newdude

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