
1994 Mercury Cougar XR-7 3.8L Excessive Emissions
This "little ole lady" owned cougar was brought in for a failed emissions test. Scan tool readings show that both o2's are reading 900 - 950mv all the time. Short term fuel trim is at -20% and inj pulse width is between 2.8 and 3.2. In open loop (after startin...
FIX posted 11/8/2004
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Message Closed w/FIX
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VIN | 1MELM6240R |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | US FED |
Symptoms | Excessive Emissions |
Occurs | Always |
Trouble Codes
171 | rich bank 1 |
173 | rich bank 2 |
Message Closed w/FIX
Vehicle Data
1994 Mercury Cougar XR-7
VIN | 1MELM6240R |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | US FED |
Symptoms | Excessive Emissions |
Occurs | Always |
Trouble Codes
171 | rich bank 1 |
173 | rich bank 2 |