If the check engine light has or is illuminated, check for codes, remember this is an OBD I system. I've seen the coolant temp sensor with two wires for the ECM (not the single wire temp sensor for the temp gauge) do that.
Search and Restore - 2011 '94 GMC Part I was released on: USA: June 2011
What is the torque specs on a 94 GMA Yukon
Search and Restore - 2011 '94 GMC Part III was released on: USA: June 2011
Yes Both trucks are the same.
Is that a question?
Inside the fuel tank.
Where is fuel filter
YES they are the same, No difference whatsoever. That is a direct engine swap.
you would need to change the cylinder heads also.See link below
no
184364572
0.060