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1997 Ford Expedition XLT 5.4L Misfire, MIL Lamp on
i have ford expedition has codes p01131,p0171,[...] surge and [...] far i check for vacuum leak.i could not find any.i know smoke macine is the best way check for vacuum leak. unfortunately i dont [...] fitting at pressure regulator is [...] vacuum hose tight ...
FIX posted 10/30/2004
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Related Documents & Media | VIN | IFMFU18L6V |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0172 | Fuel System Too Rich (Bank 1) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
Message Closed w/FIX
Vehicle Data
1997 Ford Expedition XLT
| VIN | IFMFU18L6V |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0172 | Fuel System Too Rich (Bank 1) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
Video