Having problems with your 2002 Jeep Grand Cherokee ?
2002 jeep grand Cherokee change batt. Now it starts but won't run?
Because you disconnected the battery you lost the long trim value,you will now have to relearn the idle,start the vehicle idle it to 1500 RPM,hold for a minute,idle should stabilize,turn on A/C let it idle,for a minute,now your done,
You need to relearn the idle hold your foot on the gas and slowly release the gas pedal it will learn faster when warmed up but hard to get it warm when it doesn't stay running
Repair Help & Product Troubleshooting for 2002 Jeep Grand Cherokee
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