Should I Reset Ecu After Changing Spark?
You Can Reset Your Ecu If You Like, but Learning Spark Settings Is Nonsense. the Ecu Does Not Learn Plugs. It Will Detect a Misfire So Changing Them Is...
You can reset your ECU if you like, but learning spark settings is nonsense. The ECU does not learn plugs. It will detect a misfire so changing them is important. You do not need to disconnect the battery to change plugs.
Will I notice a difference after changing spark plugs?
A Noticeable Difference
Once your vehicle receives new spark plugs, you'll notice how much better your car feels while driving. You may notice such improvements as: Consistent and Optimal Combustion – Spark plugs that are in peak condition allow the combustion system to function at its highest potential.
Should I unplug battery after changing spark plugs?
No. The battery will not cause any problems when changing the plugs. For a car with “Coil on plug” you disconnect the coils before you remove them, so there's no way any high voltage can be generated. The coil can be removed once disconnected as it can't do anything by itself.
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