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Home
Chevrolet
Tahoe
Trouble Codes
P Codes (Powertrain)
P0300 - P0399
P0300
Code P0300 when it rains
2004 CHEVROLET TAHOE
185,000 MILES • V8 • 2WD • AUTOMATIC
VANESSA VILLAGRANA
MEMBER
1 POST
FOLLOW
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
CERTIFIED EXPERT
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.
Roy
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Mar 13, 2020 at 2:49 AM