
1999 Mercury Cougar 2.5L MIL Lamp on, Moaning noise
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 ...
FIX posted 7/10/2005
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Message Closed w/FIX
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VIN | 1ZWFT61L2X |
Engine | 2.5 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MPFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Moaning Noise |
Occurs | Cold, on Accel |
Trouble Codes
1000 | obdii systems check incomplete |
1131 | ho2s11 sensor indicates lean |
P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1999 Mercury Cougar
VIN | 1ZWFT61L2X |
Engine | 2.5 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MPFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Moaning Noise |
Occurs | Cold, on Accel |
Trouble Codes
1000 | obdii systems check incomplete |
1131 | ho2s11 sensor indicates lean |
P0171 | Fuel System Too Lean (Bank 1) |