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1999 Ford F-150 5.4L Poor Idle Quality, Surge, Stall, MIL Lamp on
Truck has a very rough idle and customer says that the idle drops at stops. I cant verify the nearly dying at stops. After intake gasket repalcement the only dtcs to come back were p1131 and p1151 o2 indicates lean with p0401 egr insufficant flow. Before gaske...
FIX posted 11/15/2011
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | 2FTRX18COX |
| Engine | 5.4 L / 8 cyl / BI-FUEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Stall, MIL Lamp On |
| Occurs | Always, Idle |
| Misc. | May Be Factory Cng May Not |
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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Vehicle Data
1999 Ford F-150
| VIN | 2FTRX18COX |
| Engine | 5.4 L / 8 cyl / BI-FUEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Stall, MIL Lamp On |
| Occurs | Always, Idle |
| Misc. | May Be Factory Cng May Not |
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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