When my 2000 Odyssey sits for 1 day, the next morning the car has trouble starting. The battery is not dead and I have had it checked and it is in perfect condition. However, on these mornings, I turn the key and the engine does not turn over. I continue to hold the key turned all the way and after a second, the engine turns once, then twice and then final the car starts and it is fine until the next time it sits for a day.
Any ideas?
Make sure your battery posts and clamps are cleaned with a post cleaner. Use a dielectric grease over and between the clamps. If these connections are dirty your battery will not charge while you are driving. I always replace the voltage regulator when replacing the battery. If the regulator is broken your battery will not charge (many voltage regulators are inside the alternator these days). The voltage regulator may not be working. You can repair it with new brushes and by cleaning the commutator if the alternator can come apart (there are rebuild kits available) If the alternator is riveted it is disposable. The last thing to check is the belt that drives the alternator. If it slips because of being loose then you will have insufficient charge.
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