Has anyone ever experienced a misfire when it rains and the check engine light turns on and gives code P0300? This only happens when it rains.
Mar 12, 2020 at 8:45 PM
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ASEMASTER6371
AUTOMOTIVE REPAIR CONTRIBUTOR
52,796 POSTS
Good morning,
Good chance the wires are getting wet and they are leaking out electricity. They arc and the plugs do not get the full amount of voltage to the plugs.