Question about 2001 Mazda 626
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Posted on Jan 02, 2017
OK, the motor that you are referring to has lots of cooper windings and internal parts that can become misaligned during long term operations and extreme heat situations. this noise you are hearing is basically a warning sign that is trying to tell you that this motor is failing and will go out soon.
Posted on Mar 22, 2009
My '91 626 did the same thing. I tested the throttle position sensor, and it was good so that wasn't it. The other likely culprit is the Idle Speed Control valve, or Idle Air Control valve, which is a $500 part new (more than I paid for the whole car). I pulled one off a 626 at the salvage yard and got it for 3 bucks, put it on (it's an easy DIY, just 4 philips screws holding it to the intake manifold), however I can't be sure that solved the problem, since I haven't run the car much since then. It would seem the most likely cause, tho, and a cheap fix if you go used. Other possibilities: O2 sensor or Mass Air Flow sensor?
Posted on Nov 28, 2009
You have a front wheel bearing that is making noise. Usually the one that is the problem is louder when turning in the opposite direction. If you turn right and noise gets loud then its your left bearing and if you turn left and the noise gets loud then its your right bearing. Understand that thats just a rule of thumb and that either bearing can make noise in either direction. Good luck!
Posted on Mar 14, 2010
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