[ChevyTech]

Originally Posted by 76C10Stepside

I installed a new FPR when I rebuilt the TBI. When I turn the key on, I hear the fuel pump cycle the normal amount, then total silence. When I replaced the fuel filter, there was still a TON of pressure in the lines. So the FPR is probably not leaking, right?

Turn the key on, to built pressure, without cranking the engine, and look at the TBI unit to make sure no fuel is leaking from the injectors, regulator, or gaskets.

Originally Posted by 76C10Stepside

So, I guess testing the coolant temp sensor that feeds the computer is my next task.
Problem: Don't have a shop manual for this truck! So, here come the dumb questions...

I posted a link.

Originally Posted by Chevytech

Coolant sensor testing specifications and instructions:
http://67-72chevytrucks.com/vboard/s...d.php?t=379142

Here is another link:
http://67-72chevytrucks.com/vboard/s...25&postcount=7

You could also search my username and coolant sensor.

Originally Posted by 76C10Stepside

Where is the sensor on this engine (4.3 Vortec with non-Vortec intake)??

On the front of the intake by the thermostat housing.

Originally Posted by 76C10Stepside

Can I test it without removing it?

Yes

Originally Posted by 76C10Stepside

How do I test it?

With an ohm meter.
The instructions are in the links posted.

Does anyone look at the links I post???????