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Home
Chevrolet
Trailblazer
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
CHEVROLET TRAILBLAZER P CODES (POWERTRAIN) P0400 - P0499 P0420
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Found 1 result
How To Fix A Code P0420
So My Truck Threw A Code P0420. I Replaced The Oxygen Sensor Before The Catalytic Converter, Cleared The Codes And The Same Code Popped Up...
Asked by
Tevinlopez23
·
4 ANSWERS
6 IMAGES
2002
CHEVROLET TRAILBLAZER
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