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Camper_Jeff___K's avatar
Camper_Jeff___K
Nomad III
May 05, 2024

Repairing Engine Codes PO171 PO174 Replace MAF and Oxygen Sensors

Repairing Engine Codes PO171 PO174 Replace MAF and Oxygen Sensors    I went to NAPA in Albuquerque and got two Denso Oxygen Sensors, $57.99 each, and a Delphi MAF (Mass Air Flow) Sensor. I chos...
Camper_Jeff___K's avatar
Camper_Jeff___K
Nomad III
May 06, 2024

After this repair, my mileage immediately increased to 12.57 mpg from a terrible 6.0 to 8.0 mpg with the truck camper on and loaded. That is doubling the mileage. The savings in fuel costs will pay for the repair in a short time. Very happy with the results!

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