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FurElise
New User
Dec 20, 2011, 12:03 PM
Post #1 of 4
(3306 views)
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Mazda 626 Stalling Issue
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1996 Mazda 626 LX 4 cylinder.
97k miles on the car.
While driving, when you come to a complete stop for more than 20 seconds, the engine stalls out. Only error report found during the time I've tried to fix this problem is Upper air bank sensor and I've replaced that. Now, this is going to sound a lot like I've been throwing parts at it but it was trial and error.
Engine is 3 years old
Replaced the spark plugs, cords and distributor cap. Plugs are getting sparks, have been properly spaced.
Brand new Ignition coil, old one had a bad connector.
Car doesn't over heat, has no problem speeding up or slowing down, doesn't stall out at any other time.
Now, I'm not completely great on this and most of these repairs have been done by friends that Know what they are doing. Have we missed anything that could be causing this? Curious if it could be something simple or if its time to have it connected to a auto shops computer for a full system test.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 20, 2011, 1:51 PM
Post #2 of 4
(3286 views)
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Re: Mazda 626 Stalling Issue
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Lets start with the exact code number being set.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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FurElise
New User
Dec 20, 2011, 6:39 PM
Post #3 of 4
(3269 views)
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Re: Mazda 626 Stalling Issue
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It was a general code, P0141: O2 sensor Heater Circuit Malfunction ( Bank 1 Sensor 2 ). We cleared it after repairing it and so far (30 miles) hasn't come up nor did it change the problem.
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 20, 2011, 6:43 PM
Post #4 of 4
(3259 views)
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Re: Mazda 626 Stalling Issue
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OK, so that had never had anything to do with your stalling issue and I assume you replaced the sensor to resolve the code.
You may have a bad IAC ( idle air control) but try eliminating any vacuum leaks and cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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