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Ford Focus Fault code P1131

2004 Ford Focus Problem

CarFord Focus 2004 1.8 16v zetec
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Have changed oxygen sensor up stream of cat replaced inlet manifold due to having a crack in it clear fault from ecu car runs fine for about 20 miles then the same fault returns any suggestions would be most welcome
Problem Category
Engine, Cooling System & Drivetrain

Running Rough, Starting & Power Loss

Solution 1
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11876 | View Garage
Suggested Solution

Check the PCV valve and hose .

Posted on Tuesday 3rd of July 2018
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