Dune Runner
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No CEL today! One more day and I will celebrate.
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Help! Can't figure out lean codes.
- Thread starter Dune Runner
- Start date
Dune Runner
New Member
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- Oct 4, 2012
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- Alpine, Ca
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- 1999 4.0
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- Ford
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- 4.0
- Transmission
- Automatic
No CEL again. I think I got it whipped. Gas tank vent hose was the offending problem. Sucking fresh air into the charcoal canister and purging it back into the intake will cause lean codes.
I can't relay on here how relieved I am to have found the problem. Drinking Guinness black Lager to celebrate.
I can't relay on here how relieved I am to have found the problem. Drinking Guinness black Lager to celebrate.
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Good to hear!
Dune Runner
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- 1999 4.0
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- Ford
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- 4.0
- Transmission
- Automatic
My fitting was still intact. The hose was just off of it. I just pushed it back on and it snapped in place.
Dune Runner
New Member
- Joined
- Oct 4, 2012
- Messages
- 385
- Reaction score
- 1
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- 0
- Location
- Alpine, Ca
- Vehicle Year
- 1999 4.0
- Make / Model
- Ford
- Engine Size
- 4.0
- Transmission
- Automatic
I believe the fitting is pressure sensitive. It is not just a plain vent if that helps. Maybe rob one off a tank in the junk yard.
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