It starts sometime other time it doesn't. I replaced the distributor, put a new coil on, it seems to only start when its cool outside. tyhe engine cranks but that is it and if I let it sit for couple of days then it will start.
It was suggested that I check the crankshaft sensor and the cameshaft sensor.
I suppose that if u get the fuel lines checked and maybe get the fuel injectors serviced as well , also it can be the fuel filter that its blocked, because if its the camshaft and the crankshaft sensors, then it will not start at all , not even wen the engine is cold, hope that wil help u....
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If this is the straight 6 cylinder motor, they were basically very similar to the chevy. The firing order was 1 5 3 6 2 4
If you look at the distributor, find the number 1 plug wire, and then check from there it should confirm it for you.
Gotta love old chevys!
This sounds more like an ignition problem if you have the service manual that came with the truck it has diagnostics to check your coil, igniter, distributor, wires etc.. also you may want to look at your coil wire going to the distributor and if there is an in-line resistor replace the wire as the resistor is probably bad and when it heats up it interupts voltage to the distributor, wires, plugs etc.. when it cools down it will work for a while-- probably more often when the ambient air temperature is hot or above 90 degrees farenheit.
check your coil pack (they can test at most parts stores) if good Check the oil sending unit, probably have to replace it, don't know how to test it. If that doesn't get it It might be the crank sensor. All of those will make your engine not spark. Assuming, you are getting fuel that is.
One of the plug wires may be arching or have a defective spark. It's odd, but I check mine by removing each plug wire one at a time. I'll use stick the end of a screw driver (insulated handle) in the plug wire and check the spark coming in from the coil/coil pack/distributor. Keep in mind, the engine is running and I only do this if there's no shop open or close by. Also the insulated handles are for that unwanted shock. Has he checked for sparks at night with the engine running. Look around and follow the plug wires and around coil/coil pack for any jumping sparks. If any are seen, there's your problem.
Sometimes you cannot just take out the distributor and replacing them. It must be put back in the excat position that it was before.
Start the engine, loosen the distributor bolts, and while its running, turn the distributor sideways. Note the position that the engine runs quietly, then tighten the distributor bolt. If you have a timing-gun, connect it to the battery, and aim it to the crank-pulley. The degree that the #1 pistion fires is marked in degree on the crank-pulley (0, 5-degree). Repeat this as necessary. Or better get the car to a 'friendly' auto repair shop.