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1999 Mercury Cougar 2.5L MIL Lamp on
Posted to Ford Driveability on 2/8/2005 13 Replies

Just helping out another tech in the shop with this car. Appears to have a vacuum leak under the plenum or thereabouts. We use a pressurized smoke machine to force smoke in to the intake manifold. Getting trace amounts of smoke from underneath the plenum. My q...

13 Replies Received (View Replies)

  Related Documents & Media  1999 Mercury Cougar

 
Message Closed w/Summary

car Vehicle Data

1999 Mercury Cougar

VIN 1ZWFT61LXX
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

1999 Mercury Cougar

VIN 1ZWFT61LXX
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)