Ranger-Forums - The Ultimate Ford Ranger Resource

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- 2.9L & 3.0L V6 Tech (https://www.ranger-forums.com/2-9l-3-0l-v6-tech-32/)

- - Fault codes PO171 PO174 (https://www.ranger-forums.com/2-9l-3-0l-v6-tech-32/fault-codes-po171-po174-112542/)

dochawken

Sep 15, 2010 09:51 PM

Fault codes PO171 PO174

Have a 2000 Ranger with the CE light on and the above codes...I have removed and cleaned the MAF sensor but the light remains on. All help is appreciated. Doc

djfllmn

Sep 16, 2010 03:51 PM

what motor do you have...sounds like theres a vac leak somewhere or a o2 sensor went bad

dochawken

Sep 16, 2010 04:09 PM

yes indeed...it was an O2 sensor....have 3.0 6cyl. Thank you for the reply, I appreciate it. Doc

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