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PO1526 is a malfunction detected in the ABV solenoid valve (vent). This solenoid is used to verify the correct operation of the purge control solenoid valve. Although it is not used for anything other than a Diagnostic Support Solenoid it will bring a hard code of PO1526 when it goes bad. The troubleshooting procedure is fairly simple, although the solenoids and myriad of vacuum lines require careful checking to understand where they go. The main thing is to make sure the ABV solenoid valve (vent) is working. Suggest getting the All Data DIY subscription for your vehicle, it is reasonably priced and gives you all the info needed to properly troubleshoot this code. The website is www.alldatadiy.com. Good luck.

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Q: What does code P1526 mean on a Mazda millenia Miller cycle 2.3?
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