Chevrolet Silverado P Codes (Powertrain) P0400 - P0499
Browse Chevrolet Silverado P Codes (Powertrain) P0400 - P0499 questions and answers. Choose a question that matches your symptoms.
27 discussions
Codes P0449 And P0455
I Changed Out The Vapor Control Valve Canister And I Still Have The Error Code.
Any Advice?
Asked by william8588
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
P0451 Code?
I Bought My Truck Two Months Ago At A Toyota Dealership. Check Engine Light Came On Went To The Dealership They Said They Did Not Have The...
Asked by Frankie Michael
P0446 Error Code. Purge Solenoid Or Vent Canister?
I Have A 2005 Chevy 2500hd 6.0 Vortec. My Check Engine Light Came On And It Showed A P0446 Error Code. I've Looked Up The Cause And...
Asked by conz
2005 Chevy Silverado OBDII P0449
Evaporative Emission Vent Vlave Solinoid Circuit.
What Does This Mean And How Do I Fix The Problem?
Asked by MAKO22
Code P0420 How Do I Fix?
I Had A Tech Hook Up The Machine And He Gave Me This Code.... P0420. He Said It Was Catalyst Or The O2 Sensor....can U Help Me
Asked by mike espinoza
2004 Chevy Silverado Code P0420 Problems
This Code Keeps Coming Up And We Are Running Out Of Ideas How To Fix It. Convertor Is Less Than A Year Old And Seems To Be Okay. O2 Sensor...
Asked by psbowler
Codes P0651 And P0449
5 Volt Reference #2 Circuit Short To Ground. 5 Volt Reference Circuit Ftp Shorted To Voltage. Symptoms, Not Getting Fire To Plugs...
Asked by Louis w nagy
2003 Chevy Silverado P0455 Evap Emission System Leak...
In The Morning It Starts Rough And Its Around 40 To 30 Degrees And Sometimes When Its Even 50+ Degrees Also The Idle Seems A Little Bit...
Asked by jansonp
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P0001 - P0099P0100 - P0199P0200 - P0299P0300 - P0399P0400 - P0499P0500 - P0599P0600 - P0699P0700 - P0799P0800 - P0899P0900 - P0999P1100 - P1199P1200 - P1299P1300 - P1399P1400 - P1499P1500 - P1599P1600 - P1699P1800 - P1899
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