How to fix P0172 P0175 Fuel Trim System Rich Bank 1 and 2
P0442 P0455 Evaporative Emission System Small and Large Leak Detected.

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In this video I have a 2007 Chevy Silverado with a 5.3L.  Customer complaint is check engine light is on.

Trouble codes are P0172 P0175 Fuel Trim System Rich Bank 1 and 2
P0442 P0455 Evaporative Emission System Small and Large Leak Detected. 

The tips and tricks I show you in this video doesn't just apply to a 2007 Chevy Silverado.  These codes can come up on just about every make and model vehicle on the road today. They might be slightly different between manufacturers but you can apply this info to any one of them.

I use my Snap On Modis Edge scan tool and my set of noid lights to show you what to look for to diagnose these codes and some tests you can do to troubleshoot these systems and verify your repair.

If you are unsure of what you are trying to diagnose or repair, please contact a qualified mechanic. There is nothing wrong with asking for help.

Can all 4 of these trouble codes be caused by one issue? Watch and see!

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Disclaimer:
Due to the factors beyond the control of “Shaners Mechanic Life,” I cannot guarantee against improper use or unauthorized modifications of this information. “Shaners Mechanic Life” assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. “Shaners Mechanic Life” recommends safe practices when working on vehicles and/or with tools seen or implied in this video. Due to the factors beyond the control of “Shaners Mechanic Life,” no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, property damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not "Shaners Mechanic Life."

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