My 05 toyota corolla won't start its not the battery . all electrics working well and it did start today with a push from aa man who sez it could be starter motor but i'm not so sure . i have
What happens when you try to start the engine with the key? Does the starter motor turn over the engine normally? If yes, the problem isn't the starter motor.
If the starter motor doesn't work at all, or works but struggles to turn over the engine, there are four likely possibilities: a bad starter, a bad starter relay, a bad ignition switch or a weak battery.
Even if a battery shows 12+ volts, that doesn't mean it has enough power to turn the starter (because it's not just the voltage that counts ... it's the number of amperes (quantity) of electricity that can be delivered.)
The fact that your car could be push-started suggests that the problem is somewhere in the battery/starting circuit -- not elsewhere in the engine. If the battery is good (most auto parts shops -- at least in the US -- will test it free), you need to figure out if the ignition switch is getting power to the starter relay, and if the relay is getting power to the starter. If "yes" to both, the starter is bad.
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