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Is your car or truck's old catalytic converter hurting your gas mileage? In this video, Andy explores the different ways a catalytic converter could become fouled, clogged or damaged, which can lead to reduced fuel mileage by increasing back pressure to the engine! Working harder to force exhaust gasses through a damaged or clogged catalytic converter reduces an engine's efficiency!

0:00 Is Your Car or Truck's Old Catalytic Converter Hurting Your Gas Mileage?
0:35 Where to find your catalytic converter, and what it does
1:27 Excessive fuel getting to the catalytic converter can cause clogs, making the engine work harder
2:58 Engine burning oil can contaminate the catalytic converter
4:12 Leaking head gaskets introduce coolant to the combustion chamber which can contaminate the catalytic converter
4:54 Physical damage to the catalytic converter can interfere with exhaust flow, reducing fuel mileage
7:58 SUBSCRIBE! | Shop 1AAuto.com Link Below

🔧 List of tools used:
• Flat Blade Screwdriver http://1aau.to/oa/1AXAA00013
• Cutoff Wheel http://1aau.to/oa/1AXAA00254
• Safety Glasses http://1aau.to/oa/1AXAA00343

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Check out our playlist:
Driveway Diagnostics!: https://www.youtube.com/playli....st?list=PL17C5A3ED23
Get Better Gas Mileage! Save Money with These Fuel Efficiency Tips!: https://www.youtube.com/playli....st?list=PL37d7oWG6wD

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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.