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Author Topic: bad idle... castor ¯ Member # 2765 posted                              in the mornings when i start the car, the idle jumps from 2000rpm back to 400rpm (sometimes just dies and need to restart and shakes) car runs fine once it's warmed up and only happens when it sits overnite. vacuum leak? thanks in advance! -------------------- SOLD!!! 7/07 Supercharged 92GT 352rwhp [old blower w/3 1/2lbs] ???rwhp w/S-Trim 2010 Acura MDX Tech/Entertainment 2013 Acura TL SH-AWD Posts: 1457 | From: San Francisco | Registered: Apr 2003  |  : Stimson _ Member # 51 posted                              It could be many factors. What conditions are your O2 sensors? The fact it only acts up when cold makes me think the O2 sensors are being slow to heat up. Posts: 2373 | Registered: Jun 2000  |  : castor ¯ Member # 2765 posted                              i'll check these tonite, thanks! -------------------- SOLD!!! 7/07 Supercharged 92GT 352rwhp [old blower w/3 1/2lbs] ???rwhp w/S-Trim 2010 Acura MDX Tech/Entertainment 2013 Acura TL SH-AWD Posts: 1457 | From: San Francisco | Registered: Apr 2003  |  : Black88GT CAFords OG Member # 394 posted                              My Idle jumps around like that all the time. What else could it be? Thanks -------------------- 2000 Griggs Racing GT 2012 Kona GT500 Posts: 991 | From: Alameda | Registered: Aug 2001  |  : JohnCM CAFords OG Member # 1076 posted                              Get a new TPS (throttle position sensor) They're only like 30 bucks. Posts: 3545 | From: Roseville | Registered: Mar 2002  |  : Mustangfiv0 ¯ Member # 2231 posted                                 Whats the effects of having bad 02 sencers? When my car heats up, it dies out and will not even start, i replaced the iac already could this be bad 02 sencers? my cars idle will slowly lower to the point where it willl not idle any more when the car gets hot, it drops to like 300 rpm and cuts off and will not start for like 20 min [ May 08, 2003, 08:40 PM: Message edited by: Mustangfiv0 ] -------------------- Hp cost money, How much are you willing to spend??? http://www.geocities.com/supra1on1/mycar.html Posts: 134 | From: Bay Area | Registered: Dec 2002  |  :

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