Your check engine light is on, and you got the code P0171 or P0174, "system too lean." That means your vehicle's engine does not have enough fuel for the amount of air it is getting; a lean mixture. An engine running lean can have a negative impact on performance, and can cause damage! In this video, Andy walks you through the steps of diagnosing and resolving the different problems that could cause this code, from the simple: a loose intake fitting or hose; to the more complex: a faulty fuel injector or oxygen sensor. Find your make and model in our playlists to see if we have a video on intakes, fuel injectors, or oxygen sensors for your specific vehicle:
https://www.youtube.com/user/1aauto/playlists For More Info visit us at http://1aau.to/h/cbf/ ⚠ 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.

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Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/433/k/scan-tools-code-readers Your check engine light is on, and you got the code P0171 or P0174, "system too lean." That means your vehicle's engine does not have enough fuel for the amount of air it is getting; a lean mixture. An engine running lean can have a negative impact on performance, and can cause damage! In this video, Andy walks you through the steps of diagnosing and resolving the different problems that could cause this code, from the simple: a loose intake fitting or hose; to the more complex: a faulty fuel injector or oxygen sensor. Find your make and model in our playlists to see if we have a video on intakes, fuel injectors, or oxygen sensors for your specific vehicle:
https://www.youtube.com/user/1aauto/playlists For More Info visit us at http://1aau.to/h/cbf/ ⚠ 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.

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Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/229/w/throttle-body-assembly Do you know when to reprogram a throttle body? Do you even have to? Find out in this video! Andy discusses what changes to an electronic throttle body require a relearn process. Take note, this is about computer controlled, drive by wire throttle bodies! For More Info visit us at http://1aau.to/h/b7I/ ⚠ 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.

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Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/384/aI/Wheel-Bearing-Hub-Assemblies You have a noisy wheel while driving. Is it a humming, groaning, grinding sort of noise? It could be one of your wheel bearings going bad. Failed wheel bearings can lead to all sorts of problems. Check out this video to see what a failed bearing may sound like. Then, Andy will show you how to diagnose a bad bearing on your own vehicle! For More Info visit us at http://1aau.to/h/b7y/ ⚠ 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.

More Noisy Wheel While Driving? Could be a Bad Wheel Bearing! Videos

Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/4/H/electrical-auto-parts Learn how to diagnose a failed relay in this video! So, your horn won't honk, or your headlights won't light. You checked the fuses, and they look fine! What's going on? Time to check the relays! Watch this video to find out how a relay works, what can go wrong with one, and ways you can check yours to see if you need to replace it! Check out our list of many other diagnostic videos!
https://www.youtube.com/playlist?list=PL17C5A3ED23485B90 How To Use a Multimeter:
https://www.youtube.com/watch?v=omQiFV1CRl8&list=PL17C5A3ED23485B90&index=224&t=353s For More Info visit us at http://1aau.to/h/b7z/ ⚠ 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.

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Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/240/K/evap-emission-control-system-parts These are the top problems for the Chevy Avalanche. The 1st generation Avalanche included model years 2001 to 2006. In this video, Andy Explains some of the most common issues you may find in your 2001 to 2006 Chevy Avalanche, such as the fading plastic trim, and the tail gate handle. Check out the video for the full list! Check here for more great videos on the Avalanche!
http://www.youtube.com/playlist?list=PL37d7oWG6wDBYHBA6KV8Qi2wMwxtFBL3S How to Replace Vapor Canister Purge Valve:
https://www.youtube.com/watch?v=U8TEApIwYuQ&list=PL37d7oWG6wDBYHBA6KV8Qi2wMwxtFBL3S&index=2&t=0s For More Info visit us at http://1aau.to/h/caG/ ⚠ 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.

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Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/261/e/transfer-case-housing There are some common problems with the transfer case in GM trucks and SUVs. In this video, Andy explains some of those problems you may face with your vehicle, and suggests ways you can repair or replace parts to resolve those issues. For More Info visit us at http://1aau.to/h/b7r/ ⚠ 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.

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