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Around 98000 back in 2005, my 2000 threw what I found out was a P0171 'System too lean'. Back then I knew noting and took it to the least expensive dealership in my area. They charged me around $100 bucks to pull the code and clean the MAF. That's when I bought my trusty Haynes Repair Manual...

Glad to hear she is running better. Hopefully, the VVTi will continue to function within specifications. As far as the other codes, if you are getting a P0171 or a P0174, it is possible they were triggered by the bad ocv. To be safe, I would suggest cleaning your MAF sensor. The Haynes Manuel...

Should have taken the time to remove the OCV filter before I ordered them. Somehow I talked myself into buying before checking. Well, the OCV filter was clean, but I put the new one anyway. Needless, to say it did not help. Ordered a OCV from the dealership only to wait a week and find out I...

My 2000 Avalon has 151,000. I have been using a full synthetic for the last 75K changing every year or 15000 miles whichever occurs first. Use Mobil 1 filters. Car just threw a P1354 VVI Malfunction Bank 2. Checking both of the oil control valves OCV's for voltage both ok. Took out oil and ran 4...