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Previous Thread Next Thread Print Thread Rate Thread Success in Changing Both Pre-cat O2 Sensors #906014 09/17/08 11:23 PM Joined: Sep 2008 Posts: 2 C CliffordArrow OP Need a Spot I know this is a minor repair, but can you believe the dealership wanted over $700 to change both my pre-cat O2 sensors after the Malfunction Indicator Lamp (MIL) / Check engine Light went on? Time spent was well worth the $500 saved. Finished doing a write-up on it: http://monkeeworks.com/go_O2 Thanks, Clifford Vincent Arrow http://monkeeworks.com Re: Success in Changing Both Pre-cat O2 Sensors [Re: CliffordArrow] #906015 09/19/08 07:07 PM Joined: Mar 2002 Posts: 223 Ramstein, Germany Sargent 'D' Wheeler Did you have any symptons with your vehicle aside from the check engine light? 1998 Toyota 4Runner SR5 4WD V6, Supercha...t Second FTC... Re: Success in Changing Both Pre-cat O2 Sensors [Re: Sargent 'D'] #906016 09/23/08 01:58 PM Joined: Sep 2008 Posts: 2 C CliffordArrow OP Need a Spot Alas, no. Just the theoretical better emissions and fuel economy with a properly working O2 sensor in a closed loop feedback system. Clifford Vincent Arrow http://monkeeworks.com Moderated by  4x4Wire, Adam F, Dandeman, kewlynx  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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