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1998 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality, Misfire, MIL Lamp on
Truck came in with MIL on. found these codes plus misfire detection. Erased codes and only these four returned. It takes a while of driving for codes to come back. Can hear IAC is wide open trying to bring Idle up. Smoked system and found small leak near pvc. ...
FIX posted 8/20/2001
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Message Closed w/FIX
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | 1FMPU18L8W |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
Message Closed w/FIX
Vehicle Data
1998 Ford Expedition Eddie Bauer
| VIN | 1FMPU18L8W |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
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