You should check to see if the crankshaft sensor wires are connected correctly or at all. If they are , check that the cam sensor wires are conected and also make sure all your ground wires are corrosion free and tight. If the engine turns over but will not start check all fuses and make sure you have fuel (I know,but it happens) If it still won't start, hook up a timing light while a friend turns the key. If you get no flash could be a bad coil pack or coil connector could be corroded.
Check your timing belt, harmonic balancer and the either two or three belts that connect to the harmonic balancer
Visit a gas station to get it fixed.
start with checking the battery, next check the solenoid,next check the starter motor.then check ignition switch
Without fuel and the lack of spark, you can crank the engine continuously for the next 5 years and it will never start. One needs to find out why there is no spark or fuel. Start with the fuel pump and check the fuse(s), and then check the operation of the fuel pump. Check the electrical system of the car - check fuses, check wiring.
I have a 2000 silverado and it takes three times of turning the key before it will start. I recently worked at ROUSH Racing and the mechanic told me the problem was the check valve on the fule tank. He said the check valve was located on the top of the fuel tank and you need to drop the fuel tank to replace it. I had an estimate at a dealer and they said $500.00 to fix it. I have not yet had it fixed because of the pice tag and the location of the valve.
Check your timing belt, harmonic balancer and the either two or three belts that connect to the harmonic balancer
harmonica
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harmonica
have the heaters check, i had the same problem but fixed when changed heaters.
Only if your Harmonic Balancer is unlike anyone elses out there.
Harp Harpsichord Harmonica Harmonium (a variation of a harmonica) Horn (English, French) Herald Trumpet (Like the ones you see in medieval movies) harpoon
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get a longer bolt to start it . use this bolt until it is pulled up enuff to start the proper bolt
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check the harmonic balancer
it'll be something to do with the fuel or spark. check fuel pump, plugs and distributer cap, fuses wouldnt hurt either.