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Previous Thread Next Thread Print Thread Rate Thread 02 sensor madness... #899565 08/08/08 11:50 PM Joined: Jul 2007 Posts: 19 Orlando, FL 93xtra OP Need a Spot sorry to throw in a question about my 4cyl, '03 Camry but I was confident someone might know the answer. My engine light came on and the computer read: "P0031, H02s, Bank 1 Sensor 1, Heater Circuit Low." So I replaced the upstream sensor and the check engine light is still there even after disconnecting battery, then I tried clearing it using the diagnostic computer. Any ideas? Thanks in advance! Re: 02 sensor madness... [Re: 93xtra] #899566 08/09/08 02:00 AM Joined: May 2008 Posts: 202 Texas Richards19884x4 Wheeler I'm just guessing here, but I think your heater circuit is low. Have you tried refilling it? <img src="/forums/images/graemlins/notooth.gif" alt="" /> (Sorry, can't help you unless it hooks up with a transfer case and 33's.) Richard S. 88 Toy 4x4 Truck, 22RE, 3"BL, 5-Speed, Muds Proud to be an American. Blessed to be a Texan! Re: 02 sensor madness... [Re: 93xtra] #899567 08/09/08 02:08 AM Joined: May 2008 Posts: 202 Texas Richards19884x4 Wheeler This forum here has just Camry owners. Lots of discussions about codes for some reason... Richard S. 88 Toy 4x4 Truck, 22RE, 3"BL, 5-Speed, Muds Proud to be an American. Blessed to be a Texan! Re: 02 sensor madness... [Re: Richards19884x4] #899568 08/09/08 02:19 AM Joined: Jan 2000 Posts: 12,153 N. California. USA 4Crawler Web Wheeler Might want to check the O2 sensor connector and wiring. Common problem, at least on the pickups/4Runners is for the O2 wiring to fall against the hot exhaust and that melts the wiring insulation and can cause a short circuit. r.c.brown@ieee.org TruckEditor@tlca.org Project: 4Crawler 4Crawler OffRoad - 4x4Wire discount code Re: 02 sensor madness... [Re: 4Crawler] #899569 08/09/08 11:58 AM Joined: Jul 2007 Posts: 19 Orlando, FL 93xtra OP Need a Spot Thanks for your replies! I had not found that Camry Forum and will with that... my truck never has problems for me to ask about! Moderated by  4Crawler, 4x4Wire, 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 View Profile Private Message Homepage Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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