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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   1989 toyota pickup 3.0 crank no start I have a 1989 toyota pickup 3.0 crank no...   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel...

RPM surge w/AC at idle Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting maggie New User Jul 5, 2008, 5:07 PM Post #1 of 4 (1693 views) RPM surge w/AC at idle Sign In 2005 Mercury Montego Premiere - RPM surge at idle with A/C on. Any help? way2old Veteran / Moderator Jul 5, 2008, 6:48 PM Post #2 of 4 (1691 views) Re: RPM surge w/AC at idle Sign In Either the Idle speed control os not working properly or the a/c clutch is drawing too much current. Cleaning the ISC may help. Being way2old is why I need help from younger minds maggie New User Jul 5, 2008, 6:55 PM Post #3 of 4 (1690 views) Re: RPM surge w/AC at idle Sign In It ONLY does it with the A/C on, so does that mean it is probably not the ISC? Thanks way2old Veteran / Moderator Jul 5, 2008, 7:05 PM Post #4 of 4 (1689 views) Re: RPM surge w/AC at idle Sign In Not necessarily. Does it do it at speed driving down the road? Or does it do it at idle? If it just does it at idle, look at the idle speed control. You can remove it and clean it with carburetor cleaner to see if it helps. Let us know. Being way2old is why I need help from younger minds   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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