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P1131 - 2000 Ford Ranger SuperCab

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A p1131 code is the 02 sensor on bank #1 switching slowly, causing a lean mixture.
First check for a vacuum leak in anyone of the vacuum lines,which will cause this code. If all the lines are good, replace the sensor.

Posted on Jun 22, 2009

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P1131


Check Engine lights are the worst. The OBD2 code P1131 suggests a problem with the fuel air mixtures. Often though, the check engine alerts result from failing or faulty sensors rather than from what the sensor is suggesting. It is advisable to check the sensor first.
Good luck!

Jul 01, 2013 | Mazda 626 Cars & Trucks

1 Answer

Mazda626code p1131


Hi there:
DTC P1131 - HO2S Bank 1 Sensor 1 Signal Below 0.45v (A/F Ratio Too Lean)
Just check and clean harneses connections if not solve itr, replace O2 sensor.


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Sep 23, 2012 | 1997 Mazda 626

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Code p1131 please help


P1131 - Lack Of HO2S Switch - Sensor Indicates Leanxicon.jpghttp://engine-codes.com/p1131.htmlForum CodePossible causes- Vacuum leak affecting bank 1 only
- Fuel injector problem bank 1
- Check for cylinder misfire on bank 1
- Engine mechanical condition
- Faulty O2 sensor. Symptoms- Engine Light ON (or Service Engine Soon Warning Light)P1131 Description A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

Jul 25, 2012 | 2009 Tata Indigo GLS

1 Answer

What is check engine light codes P 1401 and P1131?



This is for the P1401
HE - Exhaust Gas Recirculation (EGR) Systems
' var HIGHmap155714728 = '' // --> 155714728


This is for teh P1131
H - Fuel Control
' var HIGHmap155714613 = '' // --> 155714613

Jul 18, 2010 | 1997 Lincoln Town Car

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Is engine4.6 code p1131


Is the code P1131 or PO131.

PO131 is upstream heated o2 sensor circuit low voltage, bank 1. Not able to find the P1131 code.

Feb 17, 2010 | 2000 Ford Expedition

1 Answer

Poor idle dtc P1151, P1131,P0174, P0171. runs ok


Change plugs, and Mass Air Flow sensor. This should do the trick

Nov 29, 2009 | 2003 Ford Taurus

1 Answer

Have engine trouble codes P1151 and P1131


If both, P1131 and P1151 trouble codes are set at the same time, the problem will most likely be attributed to a vacuum leak past the MAF (Mass Air Flow) sensor or something else that would likely affect BOTH banks. If the problem is only causing one code or the other, but NOT both, the problem will most likely be something that would affect one bank, like a bad O-2 sensor or a fuel injector; the most common cause of a single code either the P1131 or P1151 in my experience has been a bad Oxygen sensor.

Nov 07, 2009 | 2001 Mazda Tribute

3 Answers

What does computer code p1131 manufacturing control fuel air metering mean


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?

Apr 27, 2009 | Ford Explorer Cars & Trucks

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P0401. P0133, P1131- emmision test


Based on what the tech manuals say I would change the DPFE sensor for the EGR Valve, careful not to tear the special silicone rubber hoses that go to it from the exhaust, as a Ford dealer tech I saw these codes allot, and the DPFE sensor was almost always the issue or the hoses going to it.

Oct 16, 2008 | 1996 Ford Taurus

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