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1997 Yukon Has engine code p0154.

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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

2 Answers

The engin light is service soon part pv154


P0154 is an OBDII code for a 'lazy' O2 sensor, it is not switching fast enough for the ECU to adjust parameters when managing your engine-you probably are over 100,000 miles now, they get a coating on them that makes them react slower than expected-time to replace, they run about $50 and are pretty easy to change.

Feb 10, 2011 | 2000 Oldsmobile Intrigue

2 Answers

P0154 code and p01153


both codes point to the oxygen sensor on bank 2 sensor 1 ..
that would explain the rough running also .. the engine will default to a rich condition ...

p0154 indicates no activity on bank 2 sensor 1 oxygen sensor
p01153 is showing "low switching" for bank 2 sensor 1 oxygen sensor ...

there may be a wiring pigtail coming from the sensor. that plugs into another connector a few inches away .. check that connector for damage or corrosion .. if its ok then you likely need a new oxygen sensor ..

its not a good idea to continue driving with this condition since it will eventually damage the catilytic converter. that is probably getting very hot now with the extra load of fuel ..

Jul 05, 2010 | 2002 Chevrolet Avalanche

1 Answer

Ive got a question for a 1997 chevy tahoe. i need to find out which o2 sensor to change when a DTC codes register with P0155 AND P0154. can anybody help me?


P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
THIS IS THE SENSOR BEFORE THE CAT CONVERTER
P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
SAME SENSOR, WHEN THEY SAY BANK 2 IT IS THE BANK OF CYLINDERS OPPOSITE THE BANK THAT HAS #1 CYLINDER IN IT,
MAKE SURE THE SENSOR IS CONNECTED AND THAT THE CONNECTOR IS NOT DAMAGED.

May 01, 2009 | Mitsubishi Montero Cars & Trucks

1 Answer

Engine light won't turn off, replaced o2 sensors, same code p0154


unhook the battery for about 15 minutes and hook it back up... that should clear any codes and reset the light. if you have an anti-theft radio make sure you know the code for it and how to enter it.

Apr 11, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Sensor


P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1). You have a bad O2 Sensor. I dont know how your O2 sensors are labeled, but your local auto parts store should help you with that one. Good luck to you. Let me know if you have anymore questions.

Sincerely,

JC

Dec 06, 2008 | 1997 GMC Sierra K2500

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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