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1997 Mercury Grand Marquis GS 4.6L Poor Idle Quality, MIL Lamp on
Hi guys, I have this Merc with lean codes for both banks. when it first came in it was reading LTFT+25, STFT0 at idle and LTFT0, STFT+40 off idle it will change as soon as the throttle is opened and the BARO reading was 131hz so I cleaned the MAF that already ...
Summary posted 11/28/2016
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Related Documents & Media | VIN | 2MELM74WXV |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
1997 Mercury Grand Marquis GS
| VIN | 2MELM74WXV |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video