2000 GC Laredo 4.0L idle issues - Jeep Forum - Forums and Owners Club
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Old 08-02-2015, 12:31 PM
2011RamCC 2011RamCC is offline
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Exclamation 2000 GC Laredo 4.0L idle issues

Can't seem to get it to idle properly. I have replaced the plugs and the coil rail, removed and cleaned the IAC, checked the battery, and ran Seafoam through the fuel system and the intake. It still will not idle well. It does great once the throttle is opened, but just idling, it's running rough. I have also removed and cleaned the throttle body. No check engine light, either. Code reader shows no stored codes. I surely do hope someone here can offer some good advice. I am at my wit's end.
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Old 08-06-2015, 12:47 PM
2011RamCC 2011RamCC is offline
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Nobody at all???
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Old 08-11-2015, 03:11 AM
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thirdgear thirdgear is offline
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Hey there, sorry about your issues. Not an expert here but you can look at vacuum leaks, worn plugs, wrong plugs, shifted o2 sensor not reading correctly and causing incorret fuel mixture, they usually causes rough idle.
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