I just had the same problem. It's related to the factory installed
security system. Something about a glitch in the software.
Turn your ignition switch on, watch the "blinking" security light
until it goes off. (takes about 10 min) Turn your ignition off. Wait about a minute.
Start your engine. It works.
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You need to test the start wire at the starter when the key is turned to crank position to make sure it has power during cranking. Sometimes tapping on the starter motor with a hammer while cranking will engage a bad starter motor
if it cranks over-it may be an ignition system fault/ if you turn the key and nothing happens at all with a good battery-it may be a bad starter motor-the starter motor has a very small wire connection not like the big fat starter motor battery connection-it is small and comes from the ignition switch - just apply 12 volts from the battery to that connector terminal and the motor will crank-key off it will not start-turn key to ignition on- it will start, so be in park and block the wheels and do not make a mistake
Always crank motor over by hand with a ratchet or breaker bar before attempting to start with key. You can very well ruin or lock up your motor if the timing is incorrect before you try to start with key. If its locked up, unhook battery. Place ratchet and socket on crank pully. rotate in reverse and then try to rotate forward. If there is anything holding the motor from turning by hand, pull timing belt and make sure everything is aligned correctly and try to crank by hand again 2 or 3 revolutions. If tight or locked, then motor needs inspected for bent, jammed valves, broken pistons.
shorting to start motor will allow the motor to turn but the ignition system is still off. try with key turned to ignition position. suspect starter solenoid on starter motor. suspect fuses maybe there is a fuse which has blown. suspect ignition key switch maybe defective.
Does anti-theft light come on for a sec then turn off when you turn on the key or does it flash with key on?
You said that CEL turns off while cranking,does it come back on if you continue to crank after about 8-10 seconds of cranking?
If it does not then your PCM is not seeing a signal from the crankshaft postion sensor.You can try wiggling the harness at the crankshaft postion sensor and see if it will start.