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Author Topic: jumping idle 1993lx50 ¯ Member # 10246 posted                              My idle started jumping from 500 to like 1200 when Its stoped it jumps up n down I think its something with the mass air not sure? Then when I accelerate u hear a deeper sound like if its escaping air kind of like a helacopter but lower what might it be Posts: 767 | Registered: Aug 2010  |  : 84SVOrick ¯ Member # 9039 posted                              Could also be a vacuum leak or idle air control valve. -------------------- Bay Area Stunnaz RIP Jeannera "FOXY302" 10/29/87-10/9/10 1984 SVO 302 HCI a basic bitch 1986 GT FOXY302 stolen and totaled R.I.P. Posts: 1928 | From: Vallejo CA | Registered: Mar 2009  |  : 1993lx50 ¯ Member # 10246 posted                              I'll check thanks Posts: 767 | Registered: Aug 2010  |  : stangin' ¯ Member # 514 posted                              try cleaning out the IAC also. Posts: 2993 | From: Bay Area | Registered: Oct 2001  |  : 1993lx50 ¯ Member # 10246 posted                              Which ones that one? Posts: 767 | Registered: Aug 2010  |  : louisiana96 ¯ Member # 9967 posted                              kinda wierd but mine as i think the egr if im not mistakeing it just wasent hooked up and it jumped a lil...i hooked it up and no prob..lol..but correct me if im wrong bu worth a shot... -------------------- 96gt Slow.6 Aka: what96 Posts: 384 | Registered: Apr 2010  |  : 1993lx50 ¯ Member # 10246 posted                              Alrite yea I'm a see Posts: 767 | Registered: Aug 2010  |  : 1993 el ex ¯ Member # 9489 posted                              i was having the same problem so i cleaned out my IAC. below is a link that shows exactly how to do it. too bad that was not my only problem as i also have a vac leak http://www.muscularmustangs.com/iac.php Posts: 44 | Registered: Sep 2009  |  : 1993lx50 ¯ Member # 10246 posted                              Yea I cleaned it out and it fixed the problem thanks for the help Posts: 767 | Registered: Aug 2010  |  :

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