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2003 Mercury Sable stalls at idle
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flyingscot2364
User
Nov 28, 2010, 11:04 AM
Post #1 of 8
(10886 views)
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2003 Mercury Sable stalls at idle
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My mint condition 2003 Mercury Sable has started acting-up. The car has 44K miles, and has the 24 valve Duratec engine. Quite often when I pull up to a red light or stop sign, the engine will start to roll, loose RPM's quickly and then stall. It will start right up again no problem. This ONLY happens if the heat or air conditioning is turned on. The car is equipped with climate control. I can avoid the problem by turning the heat/air off before pulling the vehicle to a stop. Of course, that's not a solution that I can live with. This condition is not only a nuisance, but, could potentially be very dangerous. I'd appreciate any ideas.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 28, 2010, 11:30 AM
Post #2 of 8
(10874 views)
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Re: 2003 Mercury Sable stalls at idle
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You may have a bad IAC ( idle air control) but try 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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flyingscot2364
User
Nov 28, 2010, 11:44 AM
Post #3 of 8
(10865 views)
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Re: 2003 Mercury Sable stalls at idle
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OK, thanks for the advice. I'll try what you suggest. Thanks again... 
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flyingscot2364
User
Dec 18, 2010, 9:29 AM
Post #4 of 8
(10821 views)
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Re: 2003 Mercury Sable stalls at idle
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The local mechanic was stumped. He tried changing the IAC, but without success. Then I suggested that he follow your advice and clean the intake. It worked. No more stalling ! Idles smooth as silk. THANKS..... 
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Hammer Time
Ultimate Carjunky
/ Moderator
Dec 18, 2010, 10:24 AM
Post #5 of 8
(10816 views)
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Re: 2003 Mercury Sable stalls at idle
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Everybody is so quick to throw parts at it............... Glad to hear you got it fixed.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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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Sidom
Veteran
/ Moderator
Dec 18, 2010, 12:25 PM
Post #6 of 8
(10809 views)
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Re: 2003 Mercury Sable stalls at idle
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It's a shame the throttle body wasn't cleaned 1st....
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zmame
Veteran
/ Moderator
Mar 21, 2011, 4:37 AM
Post #8 of 8
(10631 views)
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Re: 2003 Mercury Sable stalls at idle
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If you have a question please make a new thread
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