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Yes, you are right. Someone doesn't know what a crank sensor is. Four cylinders at zero means engine repairs are needed. It's a mechanical problem. Very strange that four are zero. Was engine overheated causing head gaskets failure?
It can take 70psi to start a vortec engine cold. It should start on starting fluid tho. You might want to look at a couple of spark plugs to see if they are in good enough condition to run. The spark could be weak under compression if the plugs are worn.
There is a sensor under the left hand side of the dash that would not allow it to start, provided that you have replaced the electronic spark module inside the distributor first, which is what it sounds like it would be, When you say you replaced the distributor I assume you replaced it complete!
Pull a spark plug after trying to start it, and sniff the plug. If it smells like gas, you are getting fuel. Then check for spark. First leave the gas to dry off the plug. Then with heavy gloves on, or holding the metal body of the plug to the engine block with it plugged into the plug wire, have someone crank it while you look for a bright bluish spark between the electrodes on the plug. If nothing, your problem is ignition rather than fuel. Good luck. Again, make sure the gas has dried from the plug before you try this, and make sure to hold the plug and wire with something insulated. It will give you a serious shock if you don't!
Can you explain more so I can help. What do you mean still wont turn on, engines doesn't start or starter motor doesn't turn. Have u taken out a spark plug and connected it to the cable put the end of the spark plug to a ground and make someone turn on the engine for a few seconds you should see some blue sparks. Carefully use gloves. If no sparks, spark plug is bad next thing to check instead of putting the spark plug in the cable put Philips screwdirver put the screwdriver near a ground not touching about one inch make someone turn the engine for a couple of second you should see the spark jumping from the screwdriver to the ground, If there are no sparks ignition coil or spark plug cables are not good. But u say u changed ignition coil so maybe your cables are not good. There is a connector near the ignition coil disconnect it and turn ignition switch on measure the voltage you should have in between 12vdc + or - .5 vdc if no voltage present there is a blown fuse, Check for it
You say the car sounds like it wants to start--does the engine crank when u turn the key? If the engine cranks (engine turns over is the same thing), then it's not the starter. so, if the engine is cranking over, u must check to see if you have spark at the spark plugs. It is possible for the car not to start because of bad spark plugs. How many miles since they were changed? Pull a couple out and inspect them to see if they need to be replaced. 1st thing to do is see if u have spark at plugs, then check to see if gas is getting to the plugs.
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