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98 Tracker high idle at start & it's HOT outside

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Offline dectar99

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98 Tracker high idle at start & it's HOT outside
« on: June 14, 2012, 07:59:55 AM »
I have a high idle 1,500RPM at start but it goes back down to 900 after a few min. it sounds like the cold idle warm up circuit is on, but it's 89* F in the morning when I leave for work, & just started a while back, I have looked & don't see anything worng but haven't had the time to dig into it yet...... any sugestions were to start??

98 Tracker 4dr 5speed 16V
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Offline talonxracer

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Re: 98 Tracker high idle at start & it's HOT outside
« Reply #1 on: June 14, 2012, 08:07:53 AM »
89 degrees is still well below the temps required for the ECU not to enter cold start. Sounds perfectly fine to me, as long as the idle drops to normal as the engine heats up. Coolant temp and IAT regulates the warmup rpms dictated by the ECU.
« Last Edit: June 14, 2012, 08:10:15 AM by talonxracer »
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Offline Skyhiranger

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Re: 98 Tracker high idle at start & it's HOT outside
« Reply #2 on: June 16, 2012, 08:19:01 AM »
Quote from: talonxracer on June 14, 2012, 08:07:53 AM
89 degrees is still well below the temps required for the ECU not to enter cold start. Sounds perfectly fine to me, as long as the idle drops to normal as the engine heats up. Coolant temp and IAT regulates the warmup rpms dictated by the ECU.

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