1997 Ford F-150 EGR Excessive Flow

FORD F-150
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MRHODA
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  • 1 POST
1997 Ford F150 122,000 miles. The check engine light is on and reads "EGR excessive flow". I have replaced the valve and cleared the code. After driving the truck for 10 minutes the check engine light came back on with the same code. Any suggestions? Thank you.
Mar 20, 2006 at 1:56 AM
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PEPPERMRJ
  • ✓Experienced Mechanic
  • 1,158 POSTS
DPFE sensor. Known problems on fords.

Good luck and let us know. :)
Mar 20, 2006 at 9:37 AM
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PEPPERMRJ
  • ✓Experienced Mechanic
  • 1,158 POSTS
A quick search for DPFE turned up several similar threads.
Mar 20, 2006 at 11:22 AM
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Suggested Repair

Check and replace the DPFE sensor if faulty. A failing DPFE sensor is a known Ford problem and can set an EGR excessive flow code even after the EGR valve has been replaced.

Conversation Summary

A 1997 Ford F-150 with 122,000 miles has a check engine light for EGR excessive flow. The owner replaced the EGR valve and cleared the code, but the light returned after about 10 minutes of driving. The expert advised checking the DPFE sensor, noting it is a known problem on Fords and that similar cases point to the same part.

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