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what to replace?

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Old Jan 24, 2008 | 08:11 PM
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Fordtrucksrule!'s Avatar
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what to replace?

I recently had my 2002 F-150 Screw 4x4 with a 5.4 hooked up to a code reader and it threw out the p1131 and p1132 codes. What whould I look to replace because of these codes and where will these parts be located on the trucks? Help!!!!!!!!!!!!!
 
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Old Jan 25, 2008 | 06:55 AM
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Ron W.
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From: Stockton Ca.
P1131 Ford Lack of (HO2S11) Switch Sensor Indicates Lean

P1132 Ford (HO2S11) not switching correctly. Sensor indicates rich.
 
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Old Jan 25, 2008 | 08:21 AM
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Replace the upstream O2 sensor on the passenger side.

It's a real PITA to get to. Remove the right front wheel and inner liner for improved access.

Steve
 
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