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1997 Ford F-150 Lariat 4.6L Poor Idle Quality, lean
210,452 mile truck runs rough at idle .ok at 1500 .check pids show lean .goes to open loop at idle and o2s read 0 and fuel trims go to [...] drive o2s will go to .85 in closed loop (switching).add carb cleaner will go above .50 when in closed [...] is 156,maf ...
FIX posted 11/1/2001
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Message Closed w/FIX
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10 Replies Received
Related Documents & Media | VIN | 1FTDF1764V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Lean |
| Occurs | Always, Idle |
| Misc. | Has Latest Calibration TSB 97-26-19 |
Trouble Codes
| K0ER | codes |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power Enrichment |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
| P1157 | Air Fuel Sensor (Bank 1 Sensor 1) Line High Voltage |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150 Lariat
| VIN | 1FTDF1764V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Lean |
| Occurs | Always, Idle |
| Misc. | Has Latest Calibration TSB 97-26-19 |
Trouble Codes
| K0ER | codes |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power Enrichment |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
| P1157 | Air Fuel Sensor (Bank 1 Sensor 1) Line High Voltage |
Video