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Toyota Repair/2002 toyota camry LX

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Expert: Ted Ritter - 10/14/2009


Question
the engine light is on, these are codes that was given to me, when I had a diagnostic engine check on it.I have no ideas what they mean and what to look for. They are PO440, PO441 and PO446. There have been no repairs on this Camry. My wife put a tank of gas in the car on Saturday 10/10/09 and on Sunday morning her engine light came on, she did have a problem putting the gas cap back on, I went out this evening and the cap wasn't on tight.I turn the car on and the engine light was still on. Please Help.

Answer
These codes came on because the gas gap didn't seal, if it was only loose, tighten it and then remove the negative side of the battery cable for ten seconds this will clear the trouble codes, if there is diffculty tightening the cap replace it with an OEM cap from the toyota dealer.

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Ted Ritter

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I have more than 28 years experience as toyota technician, I will be able to answer most questions related to the Toyota product line up to the present year models,I am located in the US but welcome questions from other regions of the world. When asking a question please provide specific information: year,model, engine,transmission information. Provide as much information as possible including a brief repair history if possible. I have been a volunteer here for almost ten years an have answered over 16,000 questions helping Toyota owners with their problems without any compensation, some of my answers are published on many other websites via google and other search engines. AllExperts recently added a new feature which allows questioners to donate to experts on the site, any amount of donation is very much appreciated, to make a donation just click on the DONATE button.

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Toyota technician since 1979,expert in electrical systems,OBD systems,engine repair, driveability problems,EFI systems,ASE certified,Toyota master technician.
Certified Hybrid Vehicle technician.

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Toyota master technician, ASE certified in eight catagories, Hybrid vehicle certified. Toyota technical training: Engine Automatic transmission Manual transmission Drivetrain Electrical systems Brakes and chassis Air conditioning Engine performance and diagnostics Hybrid systems

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