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What does the code p1131 h02s-11 indicates lean on a 2002 Taurus 3liter engine mean?

293031

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2006-04-04 03:49:35
2006-04-04 03:49:35

It means that the bank #1 O2 sensor, the bank closest to the firewall, cylinders 1-3 is showing a lean mixture. Could be a vacuum leak, a misfire on that bank, an exaust leak upstream of the O2 sensor, fuel control or injector problem on that bank, a faulty O2 sensor, faulty PCM, faulty wiring in the engine control wiring harness, and there may be some more possibilties I haven't thought of yet.

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Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)symptomsOther than the MIL light illuminating you may not notice any performance issues.causeA short in the O2 sensor heater circuit or the sensor itselfA faulty O2 sensor heaterWiring or connectors are broken or frayed to the sensor or relayBad PCM or ECMThe fixCorrect wiring short or loose connector found in inspection.and/orReplace the bank 1 sensor 1 O2 sensor

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That is the size of the engine using the metric system - approximately 183 cubic inches

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The 2012 Ford Taurus has a V6 engine.

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That would be the engine "size", 3000cc or 3000 cubic cm inside all the cylinders.

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Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean

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You can get the full engine specs on the Ford Website. Here is the link for the 2011 Ford Taurus: http://www.fordvehicles.com/cars/taurus/specifications/engine/

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94 Taurus never had a 3.3L engine, only 3.0L and 3.8L

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The 2014 Ford Taurus has a 3.5 L base engine size.

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The 2003 Ford Taurus has a 3.0 L base engine size.

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If they have same type engine they are compatible.


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