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Chevrolet
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Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0430
CHEVROLET P CODES (POWERTRAIN) P0400 - P0499 P0430
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1998 Chevy Silverado ENGINE DIAGNOSTIC CODES
I Have 2 Codes For My Truck. They Are: P0420 And P0430 Catalyst System Efficiency Below Threshold (bank 1) Catalyst System Efficiency...
Asked by
TomHayes
·
1 ANSWER
1998
CHEVROLET SILVERADO
VIDEO
Is it Safe to Drive Check Engine Light?
Instructional repair video
Codes P0420and P0430, Catalytic Converter?
In June My Car Developed A Leak At The Clamp Where The Y Pipe Meets The Engine. I Took It To A Mechanic Who Replaced The Whole Pipe. I...
Asked by
Mattandallie
·
1 ANSWER
2 IMAGES
2019
CHEVROLET EXPRESS
P0430 And P0420 Codes With No Repair Luck
Got P0430 And P0420 Codes Show Up For Inefficient Cat. Replaced Post Cat O2 Sensors With No Luck; Check Engine Light Came Back. Took To A...
Asked by
dmrak
·
1 ANSWER
6 IMAGES
2018
CHEVROLET SILVERADO
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