1997 Mercury Grand Marquis LS 4.6L MIL Lamp on
Vehicle came in with lean codes. Replaced maf sensor and air filter due to trash on maf. Vehicle came back about fifty miles later with same codes plus maf intermittent code. Element on maf was dirty again. Cleaned, reset kam and test drive. Ok. Also smoked in...
FIX posted 7/11/2012
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Message Closed w/FIX
Vehicle Data1997 Mercury Grand Marquis LS
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1997 Mercury Grand Marquis LS
VIN | 2MELM75W0V |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / TBI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P1100 | MAP Sensor Performance |