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- - cel code 1131 (https://www.ranger-forums.com/4-0l-ohv-sohc-v6-tech-33/cel-code-1131-a-99493/)

swickwake

Dec 28, 2009 08:30 PM

cel code 1131

what does this code mean? the truck that this code came out of is a 98 4.0 ranger

Jp7	Dec 28, 2009 09:20 PM

My handy dandy manual says : Lack of H02S switches, bank 1 lean.

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