× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1999 Ford Expedition Eddie Bauer 5.4L MIL Lamp on
Posted to Ford Driveability on 8/17/2004 5 Replies

hello! Car ran bad for customer and set p0402. I cleaned out the egr valve & noticed afterward upon checking vacuum that egr vacuum jumps to about 3 inches at about 2000 rpm. If you feather the throttle around this rpm, the vacuum shuts off and then back on. I...

5 Replies Received (View Replies)

  Related Documents & Media  1999 Ford Expedition Eddie Bauer

 
Message Closed w/FIX

car Vehicle Data

1999 Ford Expedition Eddie Bauer

VIN 1FMPU18L9X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0402Excessive EGR System Excessive Flow Detected
Message Closed w/FIX

car Vehicle Data

1999 Ford Expedition Eddie Bauer

VIN 1FMPU18L9X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0402Excessive EGR System Excessive Flow Detected