2004 Kia Optima P0401code Replaced Egr Valve Code Comes Back After Fifty Miles

2004 KIA OPTIMA
102,261 MILES
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JIMMYJR296
  • MEMBER
  • 1 POST
P0401code I replaced egr valve and code comes back after fifty miles the car also has a hick up to it but there is no misfire detected and poor gas mileage I need help!
Apr 4, 2013 at 7:44 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Did you check the wiring?
Did you clean the EGR port/passage?
Apr 4, 2013 at 11:28 AM
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