Question about 2002 Mazda MPV

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Code i have a code p0131 and p0151 show up what do u think it is

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You have a misfire in cilnder 1 and 5 you can check the sparkplugs wires and coils, i hope help you

Posted on Apr 22, 2014

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Posted on Jan 02, 2017

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2002 dodge durango was codes po031 ,po051, po131, po151, po132 & po748 I already changed all o2s


P0031 and P0051 02 heater control, P0131, P0151 and P0132 02 voltage P0748 pressure control solenoid a electric. Your 02 sensors not problem, problem is electric in nature

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How to fix 98 cadillac cater error codes


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1997 chevy 3500 5.7l loses power on inclines


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Fault code 151


We guess DTC P0151... essentially the same as P0136 and P0137 and P0131, a P0151 code refers to the first oxygen sensor on Bank 2 . P0151 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes. This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 2 Sensor 1 is located in front of the catalytic converter.

There may be no visible symptoms to the driver, other than the MIL (Check Engine / Service Engine Soon) illumination.

A code P0151 may mean that one or more of the following has happened:
Faulty o2 oxygen sensor
Short to voltage on O2 signal circuit
High resistance or open on O2 signal circuit

Possible Solutions:
Replace faulty sensor
Repair short, open, or high resistance on o2 signal circuit

Sep 07, 2011 | BMW X5 Series Cars & Trucks

1 Answer

These 3 codes come up P0131#10,P0151#10, and P0157#10


02 sensor codes You have a vacuum leak some where, to include the intake manifold gasket. All three of these sensors would not go out at the same time.

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PO131 and PO 151


P0131=O2 Sensor Circuit Low Voltage Bank 1 Sensor 1
P0151=O2 Sensor Circuit Low Voltage Bank 2 Sensor 1
Marc,
this shows that the oxygen sensor on the left exhaust pipe before converter is bad,
And the front oxygen sensor on the right exhaust infront of converter is bad.

Dec 09, 2009 | 2000 Chevrolet Blazer

2 Answers

I received a P1154 OBD code error. It says


DTC P0131 or P0151
Circuit Description
Heated oxygen sensors (HO2S) are used for fuel control and post catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content in the exhaust stream. The HO2S must reach operating temperature to provide an accurate voltage signal. Heating elements inside the HO2S minimize the time required for the sensors to reach operating temperature. The powertrain control module (PCM) supplies the HO2S with a reference, or bias, voltage of about 450 mV. When the engine is first started, the PCM operates in Open Loop, ignoring the HO2S voltage signal. Once the HO2S reaches operating temperature and Closed Loop is achieved, the HO2S generates a voltage within a range of 0-1,000 mV that fluctuates above and below bias voltage. High HO2S voltage indicates a rich exhaust stream. Low HO2S voltage indicates a lean exhaust stream. If the PCM detects an HO2S voltage that stays below a specified value, DTC P0131 sets for HO2S bank 1 sensor 1, or DTC P0151 sets for HO2S bank 2 sensor 1.

Oct 06, 2009 | 2001 Hyundai Santa Fe

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