Rough Engine Idle

XFFDCapt10

New member
I have a 2002 Jeep Wrangler Sahara 6 cylinder with 82 K miles. It doesn't seem to be missing when I drive, but the Check engine light blinks. The Code indicates "Missing" , and it has a rough Idle. I have changed the Spark Plugs and the Coil Pack with NO Difference. Has anyone else experienced this symptom, or have any idea what to check next. Thank you in advance for your suggestions. I can be reached at Riflmn3006 aol com.
 
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