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there will be no sound , no fuel pressure and it will not start
however a bad fuel pump may be the result of other failed units including the relay , pressure regulator, wiring , EVAP system
so run the fault codes first to eliminate all other possible causes for the pump not working
Most cars have a emergency fuel shut off in the trunk that shuts down fuel pump when hit in the rear end. Try to push that . Or poor some fuel into injectors then see if it will turn over.
Check for an air leak in the fuel system. It sounds like the son-in -law did good work but missed an air leak somewhere. The system is not providing enough fuel to the engine. The other possibility is that you are pulling a vacuum on the fuel tank. They have to be vented either through the cap or through the canister. First take the fuel cap off and see if the truck will run. If it does put the fuel cap back on and pull the hose off the canister and try to run the truck. If it runs it was the canister.
Sounds alot like the ignition sensor. In my old Chevys it was under the dist cap, mounted on the dist itself. Mine was flat, slightly curved rectangle shape, with two flat prongs coming out both sides. If it would get an internal break in it, you cant see it. I would have the same problem as you, part was only about $12. And comes out with unscrewing two screws.
Might want to give it a shot.
hows the battery
hows the batterie?
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