1996 Chevy Express van 1500 8cyl ,v8 ,350 eng. 162,000 miles

will stop after running an hour or two.replaced: 2 fuel pumps,fuel filter,fuel relay,plugs, wires,rotor, distributor, coil,spider, 57 pound of pressure from fuel pump.Continue to cut off after an hour or two.Help.

Response:
1)Have you checked your fuel pressure regulator?
2)vapor lock
3)Check Back pressure on catalytic converter
4) check for Engine codes

Freeautomechanic.com tip : Once the engine has died, check to see what is missing... spark or fuel or both, then concentrate on that circuit to determine the problem. "simplify"

How do i get to the spark plugs on my 1996 Buick Century 3.1 Engine

How do I roll the engine forward to acess the back spark plugs? It has one brace on front, I took it off and tried to roll the moter with a pry bar. Didnt budge. Do i need to jack the car? Something else I need to remove? Would appregiate any ideas. Thanks

Response:

The easy way is to start the car and SLOWLY move. Have a second person use a heavy duty muffler clamp u bolt through where the dog bone connects. Then shut off the engine the backside is raised so you can axcess the 3 spark plugs.

Response:

There is a special tool you can borrow for free from autozone that connect where the dog bone is and you put car in neutral ans just tighten up the center bolt pulling the engine forward in a safe manner.

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where is the camshaft position sensor located on my gm engine? It's a 1997 3100 engine (6 cylinder) I ran a diagnostics and it came out code P0341 which is the camshaft position sensor. I was thinking of replacing the sensor and see if the problem goes away. The problem is that the engine looses power at higher RPMs. This code fault is the only one in the computer. I do not know the physical location of this sensor to replace it. Can you describe exactly where it is on my engine? Answer: It should be located right below the back of the power steering pump on the lower intake manifold. Camshaft Position Sensor Testing

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Answer:

If you have this many problems with this engine I would suggest getting a used engine with low miles and a warranty you can get one for less than a 1,000 and installed for around 500-600 dollars. Once they begin knocking I don't repair them because you don't know about contamination in the engine from metal. And it's very costly to have an engine rebuilt. Especially with no oil pressure it's probably spun a bearing in the lower end of the engine.

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