96 f150 lean mixture codes

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Jan 7, 2011 | 05:58 PM

krackerjack1951

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96 f150 lean mixture codes

i cant seem to find plenum gasket leak....0 2 sensors replaced on 96 150.lean code bank# 1..has any one narrowed the confusing lean code to 87 octane alcohol laden fuel????? thx in advance for any replys!!!

Jan 7, 2011 | 06:20 PM

dirtcrew51m

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Joined: Jun 2009

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From: Milltown, NJ

The meth should not matter, puter will compensate, to find leak, get some flammable carb spray and spray around manifold, if idle changes, you found the leak.

Jan 8, 2011 | 01:37 PM

Big Blue96

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Joined: Jan 2011

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From: Oxford, Mass

lean codes

I'm also experiencing the same prob. Seams to be linked to the fuel pump in my front tank. Just ordered new tank /sender/pump. Hopefully have it in this week. (Light only comes on when i run it on that tank...)