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P0134 p0154 wats the problem

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Posted on Jan 02, 2017

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skychief2001
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SOURCE: Trouble Codes

I'm going to assume this is for the Blazer.
Code 134 means the front O2 sensor for bank one is not sending any data or is not working correctly.
Code 154 is the same thing for the front sensor on bank two.
The sensors and wiring harness would need to be checked out. Once the problem is fixed and the codes erased, the warning light should stay off.

Posted on May 18, 2013

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1 Answer

Trouble code p0154


code p0154 refers to heated oxygen sensor (HO2S) 1 bank 2 -- no activity detected===causes --wiring---HO2S---= ECM
it also refers to oxygen sensor (O2S) --no activity detected--===causes --- wiring---O2S sensor---ECM. May be you did not replace the sensors causing the fault.

Jan 03, 2014 | Cars & Trucks

1 Answer

Engine Service Soon Light On code P0154


Error Code: P0154
Description:
Heated Oxygen Sensor (HO2S) 1 , Bank 2 - No Activity Detected
Problem areas:
- Wiring.
- Open circuit in signal wire, between Heated Oxygen sensor 1, Bank 2 and ECM. (Must check and confirm)
- Heated oxygen sensor (HO2S).
- Engine control module (ECM).

Nov 20, 2013 | 2003 Mitsubishi Montero Sport

1 Answer

P0134, p0154


Code 134 is for no activity or signal coming from the O2 sensor for bank one sensor one.
Code 154 is for no activity or signal from bank 2 sensor one. My first guess would be a wiring problem since it is rare for two sensors to fail at the same time.

Aug 12, 2013 | 2006 Kia Sorento 3.5

1 Answer

Trouble codes p0134 also p0154


I'm going to assume this is for the Blazer.
Code 134 means the front O2 sensor for bank one is not sending any data or is not working correctly.
Code 154 is the same thing for the front sensor on bank two.
The sensors and wiring harness would need to be checked out. Once the problem is fixed and the codes erased, the warning light should stay off.

May 18, 2013 | Cars & Trucks

1 Answer

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

Apr 09, 2011 | Hyundai Santa Fe Cars & Trucks

1 Answer

Codes


Your sensors are reading correctly so leave them alone. What you have is a fuel delivery issue. Your MAF sensor is telling your engine to lean your fuel mixture. You need to remove and clean or replace (is better) the MAF. But first replace your PVC valve and clean your ERG valve.

Jan 20, 2010 | 2000 Dodge Intrepid

1 Answer

02 sensors


they sell two types on o2 sensors one is a generic and the other is OEM always on mopar! use OEM!! not aftermarket once you replace them run engine for 5 minutes ! shut it down then remove battery ground cable for 5 minutes run engine again and recheck codes

Jan 17, 2010 | 2000 Dodge Intrepid

2 Answers

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.

Nov 16, 2009 | 2003 Honda Accord

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