A couple of times a month my car won't start. It will be running fine
and I'll go somewhere. And when I'm ready to leave, the car won't
start. It cranks like normal, but won't start. But after waiting an
hour or two, it starts up like nothing was ever wrong. This has been
getting progressively worse, and now it will just die while driving. I've been told it may be the Ignition coil(?), but how difficult is this to
replace, and is it expensive? Or is it that the fuel
pump maybe going out? Or how about just the fuel filter? I would like to start with the cheapest solution first.
Do you have a dis system(direct ignition system)? If you do it is probably your crank sensor. If you don't it could be your ignition coil or distributor. You could tap on the crank sensor while starting this could help.
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letting a vehicle sit idle for months is not good !!! now you need to do some work, so get out your check book ! replace both air & fuel filters, replace spark plugs, plug wires, distributor cap & rotor, add fresh fuel & fuel injector cleaner to tank @ same time. why are you going from accessory to run, that doesn't make any sense, stop it, please ! now get to work, good luck !
fuel pick-up in tank is blocked it has a sock over the end as a gross filter to keep out any big junk from getting sucked into the pump and causing damage to it. the sock can get so plugged up that no fuel will flow, causing the pump to run for a short time then with no fuel flow to cool it it trips the safety and shuts off
Time to do a fuel pressure test to see if its got a bad or posible weak fuel pump. Some times when the pump gets warmed up it may loose pressure, if pump does not maintain a certain pressure or drops a few # under recamended pressure car will not run hense fuel pressure test. You can rent the pressure tester from most major auto parts stores and they can show you how to hook it up and what the pressure should be.
You need to buy a fuel pressure test guage from a tool supplier or a auto parts store, NAPA, Car Quest, and others can sell you this tester, then look on the top of the eng at the manifold that supplies fuel to the fuel injectors, on that fuel manifold you will find a metal stem that looks and is like a tire valve stem, this is where you test the pressure, of course the time to test is when you have a no start with engine cranking, if you find that there is no pressure then you must replace the fuel pump, it is in the fuel tank, also replace the fuel filter with the pump r the warranty will be voided