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 in
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Your check engine light is on, and you got the code P0171 or P0174, …
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Your truck running rough? Gas mileage taking a nosedive? That dreaded "check engine" light could mean big trouble...or a super easy fix! In this video, I'll break down: How to read those pesky engine codes like a pro The sneaky thing that can cause a "lean" condition (hint: it's not always fuel) A quick test to save you hundreds at the mechanic Stop throwing money at parts – get to the bottom of the problem! Like, share, and subscribe for more car repair hacks! #ToyotaTundra #P0171 #DIYMechanic
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