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HEELP HLP WIT THIS MESAGE THANK U

Tiny
FRANCINE DANIELS
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 3.4L
  • V6
  • AUTOMATIC
  • 199,542 MILES
I WILL LIKE TO SEE A PIC OF THE PART PO 401 I WEN TO GET FREE CHECK UP ON CAR BEFORE SMOG IT COMES OUT AS MIL IS COMMANDED ON SECOND IS PO 401 EGR FLOW INSUFFICIENT DETECTED WHAT DOES THAT MEAN AND HOW CAN THAT BE FIX OR REPLACE THANK U I HAVE TOOKEN MY VECHILE TO SHOP 3TIMES AND PAID TO HAVE IT FIX STILL SHOWS UP AS NOT BEEN REPAIRED
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Monday, September 22nd, 2014 AT 10:50 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
The EGR is either bad or there is a build up of carbon. Check it and make sure everything is clean both in the EGR as well as the intake. Also, apply vacuum to the EGR to make sure the valve moves.
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Monday, September 22nd, 2014 AT 11:07 AM

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