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Land rover v8 1998 v8 auto start , idles and dies throwing code p0154 and p0134 after the rite side o2 sensor connector was burnt

That other tym cleared these two above codes and was showing p1668 and p0563 but now back to the o2 sensors car still does the same runs and dies or idles and shuts off sometimes restart sometimes refuses

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Posted on Jan 02, 2017

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SOURCE: land rover disco2 dies while idling or at stop signs then sometimes non start no spark p1668 & p0563

Actually, those are general OBDII codes Malissa, not Land Rover specific:

P1668 Land Rover Anti-Theft Alarm serial link fault : Drive cycle A:Signal out of range - above maximum
The alternator is supplying a high voltage, above 16 volts to trigger the P0563

**ALSO : CHECK ALL GROUND CONNECTIONS!! ** DIIs do weird stuff without proper grounding / grounding loose.

Posted on May 10, 2017


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What can cause a 2005 Hyundai Sante Fe check engine light to come on and get all these codes: p0134 - o2 sensor circuit no activity detected (bank 1 sensor 1), p0151 -oxygen sensor circuit,low voltage...

i would check ur fuses that supply voltage to ur o2 sensors, their in the fuse box and usually r labeled o2 sensr. sounds like the o2 sensrs dont have power

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Land rover does not start

Check whether the fuel flow and fuel pressure is normal . Does it idle properly? If not the culprit can be EGR or O2 sensor. Check if the check engine light is ON. If it is on you can just scan the cars computer which will throw error code and it will let you know which part is faulty by means of error code and you can proceed replacing it.

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I'm thinking about buying a 2002 range rover. It has a service/check engine codes of 134,135,155. Is it likely to be more than oxygen sensor problems? Please reply , Mel

with those codes showing, it could be either bad O2 sensors or there is a problem with the wiring to those sensors. Also, the wrong sensors may be installed. I'm assuming codes P0134, P0135, P0155.

For others viewing this:

P0134 = O2 sensor circuit-no activity detected (bank 1 sensor 1)

P0135 = O2 sensor heater circuit malfunction (bank 1 sensor 1)

P0155 = O2 sensor heater circuit malfunction (bank 2 sensor 1)

Feb 11, 2011 | 2002 Land Rover Freelander

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Fault code 0134

P0134 Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
Check wiring to Oxygen sensor.

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Pluged in modis scanner to my range rover p38 it gave code 134 injection begin/slide position sensor does any body know what this is thanks

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

This code refers to the front oxygen sensor on Bank 1. Basically the oxygen sensor is inactive. Here's why:

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 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.

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

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.

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I have a 2003 3.0 engine Honda Accord that is giving me trouble codes P2197 P0154 P2254, what do these mean? Thank you.

Here it goes.
P2197 - Front Air Fuel Sensor (O2 sensor) Bank 2 - Sensor 1 Signal stuck lean.

P0154 - Front Air Fuel Sensor (O2 Sensor) Bank 2 - Sensor 1 Heater System Malfunction.

P2254 - Front AIr Fuel Sensor (O2 Sensor) VS Line high voltage.

IF Trouble codes P0134 or P0154 are present diagnose them before code P2254.

The first thing I would do would be check the heater circuit. You will have ground, and 12V+ to the 02 sensor heater line on a cold start. This heats up the oxygen quicker and allows it to operate in the correct amount of time. 9/10 times if there is a heater circuit code it is the oxygen sensor. But 1/10 times it is a blown fuse. So checking the voltage at the sensor is a quick test for P0154.

I would backprobe the signal line when the vehicle is at a full operating temp with a graphing meter (if avail) or use a DVOM. You should see it switch between .1 volts to 1V. It should not continuously move up and down. This indicates the computer is in good fuel control.

Diaginosis the heater circuit first is best because code P2197 can be set from anything that can cause that motor to run lean. (Plugged fuel filter, low fuel pressure/volume, vacume leak).

Hope this gives you a solid path to go on & good luck.

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