Very true, but the statement is that it affects gas mileage, I suppose that an alternator that is full fielding might increase the load slightly, but not something I would think you could see in your gas mileage.Originally Posted by JWExperience
Very true, but the statement is that it affects gas mileage, I suppose that an alternator that is full fielding might increase the load slightly, but not something I would think you could see in your gas mileage.
Last edited by Fourks; 04-10-2019 at 09:10 AM.
How about spark plugs. How old are yours?
Albuquerque, NM
They are also due, but I don't think they were when I saw the drop. I saw an appreciable drop in San Diego, but I was riding hills as opposed to here on the Gulf Coast. As for crossing the magic RPM-ness, (>~72mph), un, that would be speeding. I would NEVER do that!!
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The battery is still in the circuit but it's base voltage and no longer has input once the potential of the alternator is online. So it is " out of the loop".
I think it’s plausible that a weak link in that spark side of the system could cause the plugs to not fire at their full potential and not burn the fuel efficiently.
Last edited by 53driver; 04-10-2019 at 07:19 PM. Reason: fix quote
wouldn’t one also have codes for catalytic efficiency or random misfire?
Might be worth trying a new O2 sensor. I don't see that Honda monitors for slow O2 response.
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