Take the sensor out and clean it first - could save you some money.I did! It came home on Saturday. They got a truck from a family member and my husband put new brake lines on it for them front to back. They may need to get a mass air flow sensor as their service engine light came on and that was the code showing. Hubby cleared it and told them if it comes back on, they probably will need to get that changed. I'm glad mine is back home. I don't mind helping a neighbor, but it makes me really nervous with their driving history cause he has wrecked the one that was just repoed 6 times in the last four years.