The code PO174 on a 1999 Mercury Cougar indicates a "System Too Lean (Bank 2)" error, meaning the engine control unit (ECU) has detected that the air-fuel mixture is too lean on the second bank of the engine. This can be caused by issues such as a vacuum leak, a faulty mass airflow sensor, or fuel delivery problems. It's important to diagnose the underlying cause to ensure proper engine performance and efficiency.
its below freezing temperature
You can view the 1999 Mercury Cougar Owner Guide online at : motorcraft service . com ( no spaces ) Click on Owner Guides The Owner Guide has pictures and meanings
I have a instrument light that is on ---- 1999 Cougar , it looks light a transmission, but I think it is the emission indicator on the far left of the steering wheel, what does this mean?
Assuming you mean Mercury Cougar, a new 1983 Mercury Cougar sold for $9800.
IACV stands for Idle Air Control Valve. If you are throwing a code for this part, then chances are that it is clogged somehow. Your choices are to replace it or try to clean it. Good luck.
Trouble code P0125 means: Insufficient Coolant Temp For Closed Loop Fuel Control
You can view the 1999 Mercury Cougar owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides The manual explains , with drawings , what each warning light is for
it's not an x. it's a picture of a fan. it's for your coolant. add some.
You are low on coolant.
Air Conditioning
Trouble code P0172 means: System Too Rich (Bank 1)
Trouble code P1744 means: Torque Converter Clutch Solenoid Circuit Performance