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High Idle - Low Shifting
#18
If the light's on, that's a GOOD thing as far as diagnostics goes... it's something else to check that the ECU understands (unless it throws the wrong code).

Any corroded parts anywhere that matter under the hood that relay electricity? I'm starting to think you have a ground issue that's causing the low idle.

What about measuring output voltage to the charging system at idle?
Daily driver 1: 2007 Jeep Wrangler Unlimited Sport "S"

33" BFG Mud-Terrain KM2s, lots of Rough Country gear - bumper, 2.5" lift, swaybar disconnects, Superwinch 10,000lb winch, Detroit Locker in rear D44 axle, custom exhaust, K+N filtercharger, Superchips-tuned.

Daily driver 2: 2006 Subaru Legacy GT

COBB Stage 1+ package - AccessPort tuner, COBB intake and airbox. Stage 2 coming shortly - COBB 3" AT stainless DP and race cat, custom 3" Magnaflow-based exhaust and Stage 2 COBB tune.
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Messages In This Thread
High Idle - Low Shifting - focusnme - 12-14-2006, 10:26 AM
High Idle - Low Shifting - focusnme - 12-15-2006, 09:51 AM
High Idle - Low Shifting - Flofocus - 12-16-2006, 01:48 AM
High Idle - Low Shifting - NOS2Go4Me - 12-16-2006, 04:46 AM
High Idle - Low Shifting - darkpuppet - 12-16-2006, 05:48 AM
High Idle - Low Shifting - focusnme - 12-17-2006, 11:23 AM
High Idle - Low Shifting - NOS2Go4Me - 12-17-2006, 02:02 PM
High Idle - Low Shifting - focusnme - 12-18-2006, 10:46 AM
High Idle - Low Shifting - Flofocus - 12-19-2006, 12:02 AM
High Idle - Low Shifting - darkpuppet - 12-19-2006, 01:10 AM
High Idle - Low Shifting - focusnme - 12-22-2006, 11:32 AM
High Idle - Low Shifting - focusnme - 12-23-2006, 10:12 AM
High Idle - Low Shifting - hardk0re - 12-23-2006, 11:37 AM
High Idle - Low Shifting - NOS2Go4Me - 12-23-2006, 01:59 PM
High Idle - Low Shifting - focusnme - 12-25-2006, 06:44 AM
High Idle - Low Shifting - meford4u - 12-25-2006, 07:12 AM
High Idle - Low Shifting - focusnme - 01-06-2007, 11:12 AM
High Idle - Low Shifting - NOS2Go4Me - 01-06-2007, 02:01 PM
High Idle - Low Shifting - focusnme - 01-13-2007, 11:24 AM
High Idle - Low Shifting - hardk0re - 01-13-2007, 02:21 PM
High Idle - Low Shifting - focusnme - 01-15-2007, 06:20 AM
High Idle - Low Shifting - focusnme - 03-06-2007, 11:49 AM
High Idle - Low Shifting - ZED_not_zee - 03-06-2007, 06:28 PM
High Idle - Low Shifting - oldeguy - 03-11-2007, 02:08 AM

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