P0404 After Replacing ERG Valve

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wilkius

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Hey Everyone - My neighbor had to have her 07 Liberty towed to a shop and they told her she needed a new EGR Valve and Spark plugs. She asked if it was something I could do for less and I agreed.

Job was smooth. Then after driving for 20 minutes or so, she gets a P0404 EGR Position Sensor Rationality code. Cleared it and took it for a spin - code came up again.

Looking for ideas here. Vehicle is running fine.
Thanks!
 
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