If it cranks strong then it's probably not the battery/alternator/starter. Check the battery terminals to make sure they're clean. Cars need 3 things to start and run: fuel, spark, and compression. If it's just cranking it might be the fuel filter and/or pump. Could also be a fuel pump or PCM fuse or relay. Check your manual to find the locations of those in your fuse panel or in the fuse box under the hood. When you turn the key to on, before trying to start it, you should be able to hear the relays clicking. If you put a finger on it you should be able to feel it click (you'll need a friend for that). You should also hear the fuel pump pressurize when you turn the key to on before starting. It sounds like a humming sound that lasts about 3 seconds. If the relays don't click, that's probably you're problem. And if they do click and you can't hear the pump, then you'll probably need to replace the fuel pump and filter. If you hear the pump pressurize then you probably have electrical or spark problem. Hope that helps!
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