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Re: Troubleshooting P0171 DTC on 2000 4Runner 5VZ-FE
There is a way to check if the MAF is functioning as should be. With a volt meter, you can check a couple of terminals in the MAF and blow through it to see if the voltage changes. I wound up having to replace the MAF on my 2000 Tacoma. As soon as I get my office cleaned up, I should be able to have access to my manuals again. I may even get to it tonight, so if I do, I'll shoot you the info on here.
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