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OBDII codes keep changing
I have a 2000 Expedition with the 4.6 engine. It was running good but when I tried to smog it there were codes that showed up. The codes for Lean on bank 1 and 2, EGR flow no good. I first cleaned the MAF sensor and checked for vacuum leaks with a smoke machine. Then I removed and cleaned...- gerald holland
- Thread
- codes mis-fire obdii codes.
- Replies: 0
- Forum: Engine & Performance
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Surging idle
I have the 2000 Expedition with the small v-8. A few weeks ago the idle speed started surging after I would slow down at a stop. It will rise and fall about 4 times and then it will steady out and be fine. Until the next time I came to a stop. Sometimes it will fall so far the engine will stall...- gerald holland
- Thread
- idle
- Replies: 4
- Forum: Engine & Performance
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Idle problems
I have the 2000 Expedition with the small v-8. A few weeks ago the idle speed started wavering after I would slow down at a stop. It will rise and fall about 4 times and then it will steady out and be fine. Until the next time I came to a stop. Sometimes it will fall so far the engine will...- gerald holland
- Thread
- idle speed
- Replies: 7
- Forum: 1st Gen - 1997 - 2002
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Idle problems
I have the 2000 Expedition with the small v-8. A few weeks ago the idle speed started wavering after I would slow down at a stop. It will rise and fall about 4 times and then it will steady out and be fine. Until the next time I came to a stop. Sometimes it will fall so far the engine will...- gerald holland
- Thread
- Replies: 3
- Forum: 1st Gen - 1997 - 2002
