Question about 1998 Mazda Millenia

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P0134 code what does code P0134 mean?

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Since you are asking where the O2 sensors are, you may already have the answer to this question.
Code 134 is for no activity from bank one sensor one, which is in front of the catalytic converter. The sensor would need to be tested with a scanner.

Posted on Apr 23, 2013

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Fault code P0134


P0134 fault code means that the front oxygen sensor does not work. When the engine starts, the engine computer to monitor the input voltage before the oxygen sensor, if the signal voltage from the sensor within the specified time is less than 0.5V, the computer determines the sensor does not work, probably because the engine computer failure, sensor failure, between line failure, exhaust system leaks, etc., are generally sensor damage. To the service shop using the obd2 scanner can be judged. hope the answer to help you.

Dec 20, 2013 | Cars & Trucks

1 Answer

I am getting codes p0141 and p0134, and I have replaced the sensor 1 upstream already


P0141 Heated o2 sensor. P0134 Heater 02 sensor circuit, These 02 sensor has a fuse in the engine junction box listed as IGN 1. This supplies 12volts to the heater circuit, check to make sure its not a open fuse. If you already replaced the sensors make sure you clear the code. or it will stay in memory.

Apr 13, 2012 | 2003 Pontiac Montana

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P0134 codes


Bob;
A code P0134 may mean that one or more of the following has happened:
  • Bad O2 (oxygen) sensor
  • Bad heater circuit in the O2 sensor
  • Wiring or connector to the sensor frayed / broken
  • Blown heater circuit fuse
  • Holes in the exhaust system
  • PCM failure
Possible Solutions The most common fix is to replace the oxygen sensor. But that doesn't rule out the possibility of:
  • Rusted exhaust pipe
  • Inspect wiring & connector(s) for problems
  • Excessive amperage blowing heater fuse (still requires replacement of sensor but also replacement of blown fuse)
  • Replace PCM (only as last resort after all other possibilities are covered.

Mar 27, 2012 | Cars & Trucks

1 Answer

2000 Ford Windstar 3.8.....engine light is on.....have been told that the following codes show up........P1171, P1175, P0131, P0134......what does it all mean and how much would it cost to correct?.....my...


After researching the codes you posted, I could only find only the last two, are you sure that the first two are in the correct sequence? however I did find a code P1117 and P1157.

Your stored codes P 131, P0134 are in reference to your 02 sensors, this may be due to faulty sensor input, ie: coolant sensors.

You will almost likely have to use a scanner to take the readings from your vehicle.

Jun 13, 2011 | Ford Windstar Cars & Trucks

1 Answer

I have a 1996 honda passport V6, the car was scanned and found code p0134. the car runs but after a few minutes of warming the car stalls and backfires runs terrible what can cause those type of problems


This code refers to the front oxygen sensor on Bank 1. Basically the oxygen sensor is inactive.

DTC P0134 - 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)

The powertrain control module (PCM) provides a baseline voltage of about 450 mV on the oxygen sensor signal circuit. When cold, the PCM detects the the internal resistance of the sensor is high. As the sensor warms up the resistance is lowered and it starts producing voltage based on the oxygen content in the exhaust. When the PCM determines that the time it took for the sensor to warm up is greater than one minute or that the voltage is inactive (not reading outside 391-491 mV it views the sensor as inactive or open and sets the P0134 code.

Potential Symptoms: One or more of the following may occur:
* Check engine light illumination
* Poorly running/engine missing
* Blowing black smoke
* Poor fuel economy
* Dying, stuttering

Causes: A code P0134 may mean that one or more of the following has happened:
* Bad O2 (oxygen) sensor
* Bad heater circuit in the O2 sensor
* Wiring or connector to the sensor frayed / broken
* Blown heater circuit fuse
* Holes in the exhaust system
* PCM failure

Possible Solutions: The most common fix is to replace the oxygen sensor. But that doesn't rule out the possibility of:
* Rusted exhaust pipe
* Inspect wiring & connector(s) for problems
* Excessive amperage blowing heater fuse (still requires replacement of sensor but also replacement of blown fuse)
* Replace PCM (only as last resort after all other possibilities are covered.


Hope helps (remember rated and comment this).

Jul 15, 2010 | 1996 Honda Passport

2 Answers

P0134 /P0306 Codes on Chevy Truck 1998


in AKO look under Self Help> My Library > Fix Your Car > then go to Chiltons or ARRC link from there.

Jun 22, 2009 | 1998 Chevrolet K1500

1 Answer

Engine light is on, Toyota Corolla 140I, 2004


DTC P0134 OXYGEN SENSOR CIRCUIT NO ACTIVITY
DETECTED (BANK 1 SENSOR 1)

Mar 02, 2009 | 2005 Toyota Corolla

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