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What does the code P0154 OEM

What does that code means on a 2004 passat

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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

Volkswagon passat tdi engine problems


hello : my proplem is began after i drive my passat 5 kilometer the EPC yellow light is appear and i dont know what that mean . thanks foer your help .. my passat 2003 model petrol . 2000 cc .
Rami Safran
PALESTINE

Apr 12, 2012 | 2004 Volkswagen Passat

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My MIL light came on for my VW 2004 Passat and I had the code read at Autozone. The code was "system 2 lean; bank one" what does that mean?


It indicated the oxygen sensor at the bank one is reading wrongly or detecting the fault. It must be because the oxygen sensor itself has failed.

Jan 10, 2011 | 2004 Volkswagen Passat

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

1 Answer

What does warning light mean on 2004 Passat V6 all wheel drive?


sounds like a tail light is out. have someone help you check your lights

Jun 10, 2009 | 2004 Volkswagen Passat

1 Answer

I have a 2008 VW Passat. When the engine light came on I stopped at Autozone and they gave me the following codes: P0089, P0642, P2004. Anyone know what they mean?


CODE 89 IS FUEL PRESSURE REGULATOR 1 PERFORMANCE.CODE 642 SENSOR REFERANCE VOLTAGE CIRCUIT "A" LOW.AND CODE 2004 IS ITAKE MANIFOLD RUNNER CONTROL STUCK OPEN.CK FOR BAD OR MISSING VACUUM LINES.IS IT STILL UNDER WARRANTY

May 05, 2009 | 2008 Volkswagen Passat Sedan

1 Answer

Codes


I printed a list of error codes from cumminsforum.com and P0148 is a fuel delivery error, P0154 is not in the list.
Hope this helps.

Aug 02, 2008 | 2006 Dodge Ram 2500

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