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Toyota Repair/Highlander 2001

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Expert: Ted Ritter - 10/20/2009


Question
About three years ago I accidentally put Diesel fuel in my 2001 Highlander. I had it purged and have ever since had the P0430 and P0420 codes which I ignore because the car has run fine.

Lately I've had trouble accelerating on the highway and I'm now getting the P0361, P0440 and P0446 codes.

What should I do? I'd rather fix it myself if I can. I have amateur to advanced auto skills (stress on the amateur).

Answer
The p0440 and 446 are evap system codes, there is a leak in the evap recovery system, this could be simple as a leaking gas cap to something more complicated. Try replacing the gas cap and clear the code by disconnecting the negative battery terminal for about ten seconds.

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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.

Education/Credentials
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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