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1998 Mercury Mystique LS 2.5L MIL Lamp on
This vehicle initially came in running poorly with the ck engine light on. Diagnostics showed codes P0171 and P0174 both banks system lean were set in computer, Spark plugs were very worn, throttle body was very dirty and had a vacuum leak at the air intake bo...
FIX posted 2/18/2003
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 1MEFM66L6W |
| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Ls |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1998 Mercury Mystique LS
| VIN | 1MEFM66L6W |
| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | Ls |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video