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Ron
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 33844
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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what is code p1131 on a 1999 ford taurus se wagon.. 3.0 24

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what is code p1131 on a 1999 ford taurus se wagon.. 3.0 24 valves duratec engine
Hello and Welcome to Justanswer,

My name is XXXXX XXXXX I am here to try and assist your with your question.

In most cases providing you have no vacuum leaks in and around the intake, the code P1131 is set due to a bad Bank one HO2S sensor and in most case replacing it will resolve this concern. Bank one is the same side as the #1 cylinder (firewall side).
Customer: replied 6 years ago.
Is there a
Customer: replied 6 years ago.
Is there an

Did you read my answer?

Customer: replied 6 years ago.

Is there an alternate method to replacing the H02S by just cleaning the air flow meter

with pressurized air, or computer screen cleaning solution.

No, if the Sensor is bad, it has to be replaced. Cleaning the MAF will not correct this code.
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