Chevrolet Silverado P Codes (Powertrain) P0400 - P0499 P0430

Browse Chevrolet Silverado P Codes (Powertrain) P0400 - P0499 P0430 questions and answers. Choose a question that matches your symptoms.

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P0430 And P0420 Codes With No Repair Luck

2018 CHEVROLET SILVERADO

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...

1 ANSWER

6 IMAGES

Asked by dmrak

2003 CHEVROLET SILVERADO

I Have 4 Codes. P0171,p0174,p0300,p0430. P0171: System To Lean Blank 1 P0174:system To Lean Blank 1 P0300: Random/multiple Cylinter...

2 ANSWERS

Asked by jimzumo

2001 CHEVROLET SILVERADO

P0430 Catalyst System Efficiency Below Threshold,right Bank What Does Mead

1 ANSWER

Asked by pdu4

2000 CHEVROLET SILVERADO

Engine Mechanical Problem 2000 Chevy Silverado V8 Two Wheel Drive Automatic Ive Got A Dtc Code P0430 Which Translates To Catalyst...

1 ANSWER

Asked by leefree

1998 CHEVROLET SILVERADO

Engine Performance Problem 1998 Chevy Silverado V8 Four Wheel Drive Automatic Thank You For Your Response. It Helped Id The Part That...

1 ANSWER

Asked by gassombuddy

1998 CHEVROLET SILVERADO

I Have 2 Codes For My Truck. They Are: P0420 And P0430 Catalyst System Efficiency Below Threshold (bank 1) Catalyst System Efficiency...

1 ANSWER

Asked by TomHayes

1997 CHEVROLET SILVERADO

Hello Again,sorry To Keep Bothering You Guys But,on The Purge Vac Diagnostic Switch There Is Another Vac Fitting On The Left Side Of The...

13 ANSWERS

Asked by gassombuddy

1996 CHEVROLET SILVERADO

I Scanned My Truck The Other Day At Shucks Due To Check Engine Light Being On And Got P0430, Catalytic System Efficiancy Below Threshold...

2 ANSWERS

Asked by chefmas

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