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Re: driving fine suddenly stoped engine kicks but just...
Have you checked your fuel pump relay. It is located on the panel with the fuses under the hood. If the relay is not working, the truck will crank but not start. This is a typical problem of vehicles that run fine and then suddenly quit. Hope this helps, rate me highly please.
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Turns over fine but does not start? Could be fuel or spark related, check for spark with screwdriver in spark plug wire close to metal on engine, don't touch while turning engine over looking for spark between screwdriver and metal 1/4 inch gap between them. If you know it's no spark probably ignition module or coil. If no fuel, filter,pressure regulator or fuel pump, you should hear pump whirring when you turn on key before it starts.
Sudden no starts are usually gas or spark (ignition) related. If you spray some starting fluid into the intake and it fires up briefly, then you know it is a fuel problem- a bad fuel pump, or less often a fault in the fuel injection circuit.
If the engine doesn't respond to the starting fluid, check for spark on a spark plug wire with the engine cranking. Purchase a cheap spark tester at a parts store. It's easy to check for spark this way, and no chance of getting a shock. Another way is to pull off a wire from a plug, take out the spark plug and reattach to the plug wire. Lay the spark plug on a metal piece of engine, where the plug threads are touching metal. That grounds the plug. Now have your helper be cranking the engine over while you watch for a strong blue spark at the spark plug tip. If you have a blue spark consistently, you can assume the ignition is working properly.
Post back with what you find or for more help.
It's possible that the defective plugs blew out the Ignition Control Module. Are you getting any spark from the plugs? Try removing one of the plug leads, hold it about 1/4" from a metal surface, and have someone crank the engine. You should see a strong spark. If not, then I'd replace the ICM and see what happens.
can you hear the fuel pump kick on when you turn the key on but without crancking the engine? Generally the fuel pump will prime for about two to three seconds when you first turn the key on. if you don't hear it that's probably the culprit. If you do hear it it may be a bad pump. also should check to see if you have spark. You can do this by removing a plug wire and using another spark plug. Ground the plug to somthing metal and have someone crank the engine (making sure you are not touching the plug or metal) You should see a spark while cranking. Good luck