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Old 08-04-2021, 11:30 AM   #3
Open Loop
2013 FR-S Whiteout / SSC
 
Join Date: Aug 2016
Drives: 2013 FR-S
Location: Pennsylvania
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Quote:
Originally Posted by FR-S2GT86 View Post
Since battery acid is for all intents and purposes, an electrolyte, it is by definition, electrically conductive. If that gets on your coil near the spark plugs, you may have a direct path from the conductor to ground, which can definitely cause a misfire.

Did you have to clean any old, dried-up battery fluid from the coil or spark plug when you changed it out?
Thank you - in process of cleaning it now. There was quite a bit of battery acid. There were drops of dried acid on the cyl. 2 coil last night which is some distance from the battery. I am concerned about the wires running to the computer module above the passenger side cylinder bank, which are much closer.

I am going to switch to an AGM battery.
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