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1999 Mercury Grand Marquis LS 4.6L Excessive Emissions
Posted to Ford Driveability on 6/17/2005 5 Replies

Hey guys and gals, I have a head scratcher here. This car came to me as an aircare failure for NOX and CO. Initial inspection of the car looks good. Ignition is good, Maf sensor is clean and Baro is in spec at 157Hz(we are at sea level). EGR is working, it wil...

5 Replies Received (View Replies)

  Related Documents & Media  1999 Mercury Grand Marquis LS

 
Message Closed w/FIX

car Vehicle Data

1999 Mercury Grand Marquis LS

VIN 2MEFM75W6X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursOn Decel
Message Closed w/FIX

car Vehicle Data

1999 Mercury Grand Marquis LS

VIN 2MEFM75W6X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursOn Decel