× 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
1995 Mercury Grand Marquis LS 4.6L Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 1/4/2006 30 Replies

Ive read about some Ford engines plugging the EGR passages in the intake manafolds. Is this one of these problem engines? When this vehicle came in with the P0401 if I put vaccum to the EGR valve I could hear it open but no chage to the idle. I was advised to ...

30 Replies Received (View Replies)

  Related Documents & Media  1995 Mercury Grand Marquis LS

 
Message Closed w/FIX

car Vehicle Data

1995 Mercury Grand Marquis LS

VIN 2MELM75W2S
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsNot OBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

1995 Mercury Grand Marquis LS

VIN 2MELM75W2S
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsNot OBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected