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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   mdma pills for sale : WhatsApp +33758633852 ketamine, 4-MMC, MDPV, methylone, amphet...   Buy Nembutal Oral Solution Pentobarbital.. WhatsApp +33758633852 order nembutal online in Germany (WhatsA...   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...

Search Auto Parts Search slight high idling Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting mercuryman2003 New User Apr 25, 2009, 12:07 PM Post #1 of 4 (1208 views) slight high idling Sign In I have a 2003 Mercury Grand Marquis with 46k miles. Runs well but it idles noticebly higher after running a few miles. I put my hand on the cover that has the V8 logo and can feel strong engine vibrations. There is no RPM dial in the dashboard inside the car. What should I look at to lower the idling? Thanks Hammer Time Ultimate Carjunky / Moderator Apr 25, 2009, 12:16 PM Post #2 of 4 (1204 views) Re: slight high idling Sign In The idle on your car is completely controlled by the computer and is not adjustable at all. If it appears to be idling too high you want to look for thinks like vacuum leaks or binding linkage. If you can eliminate those things positively then 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. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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. (This post was edited by Hammer Time on Apr 25, 2009, 12:16 PM) mercuryman2003 New User Apr 25, 2009, 2:01 PM Post #3 of 4 (1201 views) Re: slight high idling Sign In     Thanks for the info. Is there a link that would shows the throttle and IAC? Hammer Time Ultimate Carjunky / Moderator Apr 25, 2009, 3:53 PM Post #4 of 4 (1191 views) Re: slight high idling Sign In Here's what the IAC looks like. It's bolted to the side of the intake. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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.   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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