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2002 Ford F-150 XL 5.4L Poor Idle Quality, MIL Lamp on
I posted for this truck a few months ago, I closer to fixing it now. This truck is running lean, short term fuel trim is maxing out at 54%! The truck does run better when I disconnect the MAF. Fuel pressure is good at 32psi and jumping to 40psi with snap throt...
FIX posted 12/4/2010
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Message Closed w/FIX
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10 Replies Received
10 Replies Received
Related Documents & Media | VIN | 2FTRX18L52 |
| Engine | 5.4 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
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
Message Closed w/FIX
Vehicle Data
2002 Ford F-150 XL
| VIN | 2FTRX18L52 |
| Engine | 5.4 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
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
Video