CHEVROLET SILVERADO P CODES (POWERTRAIN) P0400 - P0499 P0420

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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 ·

4 ANSWERS

2004

CHEVROLET SILVERADO

Code Read Retrieval/Clear Chevrolet

VIDEO

Code Read Retrieval/Clear Chevrolet

Instructional repair video

Check Engine Light

Check Engine Light

Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...

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 ·

6 ANSWERS

2004

CHEVROLET SILVERADO

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