Check Engine Light? System Too Lean - Code P0171 or P0174 on Your Car or Truck

Transcript

So, you have a check engine light and you scan it and you find that you have a P0171, or a P0174, which is a low fuel trim. Let's talk about it. So, here's some quick and easy things you can check that could have caused that problem or can potentially fix it. You wanna find under the hood where the airbox is located. Your air filter is in here and ... Read More