Question about 2001 Ford Taurus

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After recently hitting a dog and having repair work done, my CEL is on and the code is reading P1131. What does this mean?

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The P1131 is generally an indication of an issue with the O2 sensor. Since you mentioned having some repair work done, it could be the sensor is unplugged or that the wiring has been damaged in some way or it could be that even the sensor itself has gone bad.

Posted on Dec 30, 2008

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3 Answers

What do code p1131 mean on a Lincoln Continental 2002


Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1
In simple terms, it means the engine computer is not "seeing" the O2 sensor switch from rich to lean like it should be doing.
When the O2 sensor switches to lean the computer makes the injectors open more to let in more fuel, until the sensor switches to rich.

Read more: http://www.autocodes.com/search_codes.php?q=p1131#ixzz43ZjTgHzk


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What does code p1131 mean on a 2001 ford taurus


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

Repair Importance Level: 3/3

Repair Difficulty Level: 2/3

http://engine-codes.com/p1131_ford.html

Forum Code

Possible causes

- Faulty Oxygen Sensor

- Vacuum leak affecting bank 1 only

- Fuel injector problem bank 1

- Check for cylinder misfire on bank 1

- Engine mechanical condition

Tech notes

Though the Oxygen (O2) sensor, the Engine Control Module (ECM) has detected a lean system, which means that there is either not enough fuel or and excessive amount of air in the system. Start by checking for vacuum leaks.

When is the code detected?

The Engine Control Module (ECM) detected bank 1 oxygen (O2) at its lean limit

Possible symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

P1131 Ford Description

A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

Read more: http://engine-codes.com/p1131_ford.html#ixzz3izk89wMu

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1 Answer

Why use so much gas?


have the OBD codes read as this will tell you what sensor/switch is at fault, has the CEL shown on the instrument panel , may just need a good service if not done recently

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The high resistance may not be in the sensor but in the wireing. 1st check the plug for corrosion, loose conection etc...

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I need to know the meaning of code p1131 on 2001 ford escape


P 1131 Oxygen sensor bank 1 sensor 1 lack of switching, You can have a vauum leak causing this sensor to read lean or the sensor went out and doesnt switch

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96 ford explorer it read off these codes p1000,p0713,p0708,p1401.p1131,p1132 what does these codes mean. when u drive it for a little while it just shuts off without warning. the battery is brand new. when...


have all the wiring checked.there are alot of wires disconnected in a transmission removal.
alot of technicians are not careful enough and ground wires get broken,or not hooked up again to properly cleaned terminals.

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My 1998 Ford Contour 2.0L 157k Check Engine Light P1131


These codes are dealer specific. Please call you local dealer and they will give you the exact meaning.

For now I think you may find the code needs to be verified.
Here is my advice.
Have the reading done by - Auto Zone and also Advance Auto all over again. If the codes match
Take down the vin# - call the dealer and tell them the code. Ask them what it means and - -ask if your vin# brings up and recalls or service needs as issued by the factory. Some things never go out of date.

One last this - your header here says 1995 -your note says 1998. You need to sort that out as well.

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Code p1131 manufacturer control fuel air metering, on a 2003 Ford Taurus. Where is part? Is there an easy way to see if it can be fixed without buying the expensive part?

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