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john aka eauto
john aka eauto, The Car Guy
Category: Mercury
Satisfied Customers: 15041
Experience:  15 years as a auto tech ase certified
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Mercury Sable ls premium: i wonder if u can tell me why

Customer Question

Hello i wonder if u can tell me why my 2000 mercury sable ls premium won't idle down to 800 rpm it stays between 1050-1100 with nothing on.i turn the ac on an it goes to 900 checkengine lite comes on then goes off after driving it a few times, replaced port2 oxigen sensor lite went off came back on later about aweek code said air control module but did'nt do nothing put a tank of 93 in it still wants to go an believe me it goes(haha) i was hoping u might have an answer to this problem
Submitted: 5 months ago.
Category: Mercury
Expert:  john aka eauto replied 5 months ago.
sound like the iac has failed... IDLE AIR CONTROL.. it is easy to replace its right on the throttle body
Customer: replied 5 months ago.
Yes sir in my question to u i said i replaced that part still the same

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