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bank 1 bank 2 lean BUT...
My CEL is on AGAIN, showing codes for banks 1 & 2 lean. However, I have replaced the IAC valve, the MAF sensor, all plugs, all 4 O2 sensors, AND had her smoke tested TWICE for a vacuum leak - she's tight as a drum. I am pulling my hair out here!! Still expiriencing a jumpy idle while in gear at...- short_mom629
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- Replies: 8
- Forum: 1st Gen Ford Expedition Engine & Performance
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jumpy idle in cold weather
Hey guys, I drive a 2000 Expedition Eddie Bauer with the 5.4 engine. Since it has been brutally cold, Im experiencing a jumpy idle at red lights. Within the last 3 months, I have had a tune up, replaced the IAC and MAF sensor. Its making me crazy to two-foot at red lights so that I don't...- short_mom629
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- Replies: 9
- Forum: 1st Gen Ford Expedition Engine & Performance
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