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Previous Thread Next Thread Print Thread Rate Thread Rpm's low when cold , then raise when high???? #864178 01/27/08 03:28 AM Joined: Aug 2005 Posts: 122 fiat850spyder OP Wheeler Hi I have a friend who has a 93 civic and her car is acting weird. When the engine is cold the RPM's are at 1500 and when the engine warms up it raises at 2100~2200 RPM's. Then she drives and puts it in gear the cars RPM's drop too about 1000~1200 but when she puts it in neutral it goes back up to 2100~2200. What can be the problem? By the way the car is automatic. http://www.cardomain.com/ride/2433028 Re: Rpm's low when cold , then raise when high???? [Re: fiat850spyder] #864179 01/27/08 04:05 AM Joined: Jan 2001 Posts: 11,595 Cincinnati, OH Adam F Forum Moderator I'd check the IAC (idle air control valve) or look for vacuum leaks. This post should be in offtopic by the way... 88 4R, 350 V8, R150 5 speed Sold <...uot; /> 97 4R, stock, daily driver 98 Sienna, kid and dog hauler, wife's ride Moderated by  4Crawler, 4x4Wire, kewlynx  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Homepage Follow User Forum Posts

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