Dove it to lunch with the family to our favorite BBQ joint. Driving back in the humidity with a belly full of pork, greens and beans was uncomfortable to say the least.
Replaced the throttle position sensor.
Hopefully you reset the PCM and let it idle for a few minutes. This cleared up 100% of my idle issues.
2002 Jeep Grand Cherokee Limited 4.7 low output quadradrive. 31in General Grabber AT2, OME HD, bilstein 5100, IRO sway links, addco rear sway. Kolak 3in exhaust with flowmaster SUV 50, magnaflow 3in cat, Custom K and N FIPK, modded airbox with ram air, Fastman 71mm Throttle body, PML RFE Deep pan, Autometer digital trans temp gauge, P.I.E. aux adapter, Infinity reference 3.5/6x9/6.5, 200w inverter, surco rack, front/rear/cargo husky liners.
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