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1999 Mercury Cougar 2.5L MIL Lamp on, Moaning noise
Posted to Ford Driveability on 6/22/2005 9 Replies

Hello all, got a bite in the but with this one. Car came in last week "diagnose c.e.l.". Car reading lean setting the two lean codes. Been there, done this before. Went right to upper intake, sprayed choke cleaner, fuel trim immed. went negative. Upper intake ...

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  Related Documents & Media  1999 Mercury Cougar

 
Message Closed w/FIX

car Vehicle Data

1999 Mercury Cougar

VIN 1ZWFT61L2X
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Moaning Noise
OccursCold, on Accel

Trouble Codes

1000obdii systems check incomplete
1131ho2s11 sensor indicates lean
P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

1999 Mercury Cougar

VIN 1ZWFT61L2X
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Moaning Noise
OccursCold, on Accel

Trouble Codes

1000obdii systems check incomplete
1131ho2s11 sensor indicates lean
P0171Fuel System Too Lean (Bank 1)