How to troubleshoot intermittent car starting problems-Quora?

How to troubleshoot intermittent car starting problems-Quora?

Intermittent no starts are almost always primary ignition circuit problems, i.e an electronic issue that prevents the coils from being triggered and so you will need at minimum a scan tool that can show you cranking RPM and injector pulse as those two signals tell you that the crank and cam sensors are watching the engine turn over.

What does intermittent no start mean on a car?

If by intermittent no start you mean, the vehicle cranks but does not start then I would not bother with the starter circuit , providing it is cranking fast enough, minimum 300RPM. If you mean intermittent no start because of no starter engagement then the problem can be reduced down to starter circuit and anti theft issues if so equipped.

Why does my battery have intermittent starting difficulty?

If the battery has an intermittent inter-cell connector problem, the voltage will drop to very close to zero yet if the key is released the voltage will mysteriously go to nearly a full charge condition or whatever it was when the ground cable was reattached as mentioned earlier. I hope this is helpful.

Why is my car not starting and not cranking?

The voltage regulator could be allowing the alternator to supply too much or too little amperage… Car lost functionality of dome light, retractible antenna, hazard lights, and clock; power steering also seems to be nonexistent. Hello.

Share it! An intermittent no-start condition references any time where starting is possible sometimes, and other times the engine will not start. This implies that the difference between starting and failure to start is not understood.

If the battery has an intermittent inter-cell connector problem, the voltage will drop to very close to zero yet if the key is released the voltage will mysteriously go to nearly a full charge condition or whatever it was when the ground cable was reattached as mentioned earlier. I hope this is helpful.

How to fix intermittent no crank on Toyota 22RE?

Final fix for intermittent no-crank on the 22re. So I struggled for a while with intermittent starting issues on my 22re. Sometimes it would start right up, sometimes there would be a delay of several seconds between the solenoid click and the engine actually cranking, and sometimes I’d get nothing.

What’s the difference between starting and failure to start?

This implies that the difference between starting and failure to start is not understood. When inserting the key, the engine may crank, the engine may sound like it is ‘trying’ to start, clicking may be heard, or nothing may happen at all.

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