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Rough Idle
Well, I cleaned the throttle body and looked at the MAF. I didn't clean the MAF since it looked brand new. Cleaning the tb did not seem to help. I did not see where condensation could be dripping on the O2 sensor. I will try and get to the IAC this week, but I not looking for any change...- ckabee1
- Post #9
- Forum: 1st Gen Ford Expedition Engine & Performance
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Rough Idle
No, I have not cleaned the IAC. I have moved that down on the possiblities list, because from what I have read it does not sound related to my problem. However, I read yesterday that condensation from the AC condenser may drip on the o2 sensor, causing a rough idle. This makes more sense in...- ckabee1
- Post #8
- Forum: 1st Gen Ford Expedition Engine & Performance
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Rough Idle
That's it! It's just as you described, once normal operating temperature has been reached. I read somewhere about an A/C wiring harness shorting out on a bracket or something. Sound familiar? I looked in the engine bay last night and did not see anything that could be the culprit. Oh, well...- ckabee1
- Post #6
- Forum: 1st Gen Ford Expedition Engine & Performance
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Rough Idle
Thanks for the info, Monsta. I will try to clean the IAC and see what happens. Would a dirty IAC be evident by fluctuating RPM? My RPM appears steady. Rather than saying rough idle, maybe it's more like a vibration? Exman, does this sound more like what you are experiencing? By the way...- ckabee1
- Post #4
- Forum: 1st Gen Ford Expedition Engine & Performance
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Rough Idle
Hi all, this is my first post, so please hang with me... I have a 98 Eddie Bauer 5.4 4x4 with 68,000 miles. The truck was purchased four weeks ago as my wifes primary vehicle. We took a trip last week and I noticed a rough idle at the stop lights. Further investigation revealed this rough...- ckabee1
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- Replies: 13
- Forum: 1st Gen Ford Expedition Engine & Performance
