Fault code P1131

2004 Ford Focus Problem

The Problem

Avatar markandvivienne36@gmail.com
Joined: 1 year ago | Profile

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

Car Ford Focus
Variant 2004 1.8 16v zetec
Model Year 2004
Category Running Rough, Starting & Power Loss
More All Ford Focus Problems & Faults
Recalls Ford Focus Recalls


Avatar whittingehame
Joined: 9 years ago | Fixes: 12,066 | Profile

Check the PCV valve and hose .

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