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2000 Ford Expedition XLT 4.6L Poor Idle Quality, MIL Lamp on
poor idle quality with P0401 code. cleaned EGR system, cleaned IAC valve, cleaned TB, triple checked EGR system vaccum routing. Live data shows that all the O2 sensors are extremly lazy. O2 sensors will show appx 0.030v and switch to 0.040 very slowly and some...
FIX posted 9/30/2011
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Message Closed w/FIX
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37 Replies Received
37 Replies Received
Related Documents & Media | VIN | 1FMRU1664Y |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
2000 Ford Expedition XLT
| VIN | 1FMRU1664Y |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0401 | EGR System Insufficient Flow Detected |
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