i have a confirmed engine code p1131 what could be the problem on my 2002 ford focus

Question

1 Answer

1 like 0 dislike

2 answers 664 views

asked Aug 28, 2017 by charlie

1 like 0 dislike

2 answers 1.5k views

asked Dec 13, 2017 by Joe

0 like 0 dislike

1 answer 754 views

asked Oct 25, 2017 by Vladimir

0 like 0 dislike

1 answer 439 views

asked Apr 20, 2018 by Francis

0 like 0 dislike

1 answer 491 views

asked Feb 25, 2018 by Irv

Need A Repair Shop?

Find local automotive repair shops in your area.

Carguy1 · Answer 1 · 2018-05-22T14:59:21+0000

Hi there,

The code P1131 indicates an issue with the O2 sensor switch, but there are several possible causes. Here is a list for you.

P1131 FORD - Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1

Read more: https://www.autocodes.com/p1131_ford.html

The code P0442 indicates an issue with the EVAP system. Again, there are possible causes. Here is a list for you.

P0442 FORD - Evaporative Emission System Leak Detected Small Leak

Read more: https://www.autocodes.com/p0442_ford.html