Quote:
Originally Posted by RedDevil
Second that.
My Insight will shut the engine off when stopped (Auto-Stop) but restarts within 20 seconds or so, where it should last much longer.
I used to key off at the lights to prolong the autostop.
My new UG now shows the real reason why the engine restarts: the voltage drops below 11.6 volt, and continues to drop if I keep the engine off for too long (with lights and radio on)...
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I 3rd that. A general rule of thumb with battery voltages (car is completely off with no load on the battery at all):
Full charge 100% is 12.7volts
90% is 12.6volts
80% is 12.5volts
70% is 12.4volts
60% is 12.3volts
50% is 12.2volts
40% is 12.1volts
30% is 12.0volts
20% is 11.9volts
10% is 11.8volts
0% is 11.7volts
Check your battery voltages with a volt meter with the engine off to see where the battery voltage is at.
This is also why if you us heavy p&g...you should also switch your battery out with a deep cycle battery