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what does the code p-1525

1525 is the vent solenoid circuit. it usually is with 1526(vacuum) and 1540(abv). there are a bunch of answers to this, and this problem is very common in the 2.3. sometimes, this is also accompanied by the car going "limp home". tcs off/tcs lites come on, and car wont rev over about 2500. it feels like fuel cut. there is a row of 4 solenoids right next to the egr valve. the vent is the second one, the vacuum is fourth. you should change both. some will say first check the vacuum lines, and they can be a problem, too, but i am sure it is the solenoid.

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14y ago
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Q: What does code p1525 p1540 mean on a 1999 Mazda millenia s 2.3?
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