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Trouble code p0154

Replaced 02 sensor bank 2 upstream .checked wires for shorts still showng code p0154 .starts knocking when stopped idiling

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  • Cars & Trucks Master
  • 44,346 Answers

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.

Posted on Jan 03, 2014

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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keithheavili
  • 410 Answers

SOURCE: we replaced all 4 02

Did the bank 2 sensor 1 short out before or after your replaced all 4 sensors? If it was after, you are going to need to replace it again and make sure that the sensor wire is not touching the exhaust pipe anywhere to keep it from shorting out again. I would suggest using a piece of wire or something to attach it somewhere out of the way so it can't possibly rest on the exhaust again. Sorry for the bad news but this will get you in working order again. Thank you so much for using FixYa and let me know if you have any further questions. Thanks, Keith.

Posted on Jul 08, 2009

emissionwiz
  • 76649 Answers

SOURCE: i have replaced all 4

You have most likely a sensor harness wiring problem, no signal return, at this point your system needs to be hooked up to what is called a "break out box" to see what lead is dead, most likely a broken burnt or damaged wire, there is no easy way to do this, I strongly suggest this go to the Volvo dealer for diagnosis or rewire that sensor all the way back to the PCM (Powertrain Control Module), but preform these few checks 1st before you give up, pull the connector off at the sensor and look for pushed out pins in either the male or female side of the connector, you may also want to swap that sensor with the adjacent O2 sensor and see if the code comes up for bank 2 sensor 1, in that case the new sensor is defective, that is rare but it does happen.

Posted on Jul 08, 2009

  • 303 Answers

SOURCE: 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.

Posted on Jan 20, 2010

  • 97 Answers

SOURCE: 420 code catalyst system efficiency below

You could have an enefficient converter. Question is what caused it to go bad? I have attended seminars on code 420, Possible causes are lack of spark or clogged fuel injectors. there have been times where the spark plug wire lays on the engine and over time it wears a weak spot in the side of the wire, its not enough to throw a miss fire code but it keeps the full amount of spark from getting to the plug and not burning the all the fuel in the cyl. A leaky injector would also cause to much fuel to be deliverd into the cyl and not get burned.

Hope this helps.

Posted on Jan 20, 2010

  • 2926 Answers

SOURCE: 04 sebring conv, 2.7 l V6, Trouble code for Bank 1

The O2 sensor is the left side (sitting in vehicle) downstream sensor. Also refered to as 1 / 2 sensor.

Posted on Dec 19, 2010

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1 Answer

Can an O2 oxygen sensor effect another sensor and give a false reading?


Check which side of your engine has cylinder #1. That side is bank 1. Bank 2 is the side opposite of bank 1. So bank 2 is not always passenger side. And since you seem to have extra O2 sensors, I would replace the other upstream and see what happens. Also the mass air sensor can give a trouble code issue to the upstream 02 sensors. Good luck. I've struggled thru this myself.

Mar 06, 2015 | Cars & Trucks

1 Answer

P0154


Your exhaust has four 02 sensors. Code PO154 refers to no activity at bank two, sensor one.,Typically 02 sensors are good for up to 100K miles, after that their performance declines. You can try removing the sensor and shake it closely, next to your ear ( listen for a rattle). If you hear a noise while you are shaking it. The 02 sensor is junk. The side that Cylinder #1 is on is "Bank one" the other side is "Bank Two". Sensor one refers to the upstream senor (the sensor located before the CAT. Sensor Two would refer to the "Down Stream" sensor. Which refers to the 02 sensor located after the CAT. I hope that helps. Please write back if you have more details or questions. Good luck.

Mar 01, 2014 | Cadillac Catera 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

Im getting code P2253 on my 04 Saturn vue with 3.5l V6. Anyway to tell which O2 sensor it is? Thxs Bill


P0804 is the highest OBD-II trouble code.

Here's your Oxygen sensor codes.

P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1)
P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I)
P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1)
P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)
P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2)
P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2)
P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2)
P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0140 02 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0142 02 Sensor Circuit Malfunction (Bank I Sensor 3)
P0143 02 Sensor Circuit Low Voltage (Bank I Sensor 3)
P0144 02 Sensor Circuit High Voltage (Bank I Sensor 3)
P0145 02 Sensor Circuit Slow Response (Bank 1 Sensor 3)
P0146 02 Sensor Circuit No Activity Detected (Bank I Sensor 3)
P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3)
P0150 02 Sensor Circuit Malfunction (Bank 2 Sensor I)
P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I)
P0152 02 Sensor Circuit High Voltage (Bank 2 Sensor 1)
P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1)
P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
P0156 02 Sensor Circuit Malfunction (Bank 2 Sensor 2)
P0157 02 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
P0158 02 Sensor Circuit High Voltage (Bank 2 Sensor 2)
P0159 02 Sensor Circuit Slow Response (Bank 2 Sensor 2)
P0160 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
P0161 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
P0162 02 Sensor Circuit Malfunction (Bank 2 Sensor 3)
P0163 02 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
P0164 02 Sensor Circuit High Voltage (Bank 2 Sensor 3)
P0165 02 Sensor Circuit Slow Response (Bank 2 Sensor 3)
P0166 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
P0167 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

Note: "Bank 1" is the side of the engine with cylinder 1. "Bank 2" is the other side.

Jul 03, 2011 | 2004 Saturn VUE

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

Code p0154


P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)

Check for the following:
1. A poor connection or damaged wiring harness. Inspect the harness connectors for :

Backed out terminals
Improperly formed or damaged terminals
Poor terminal to wire connection
Damaged harness

2. A malfunctioning HO2S heater on heater circuit

Oct 25, 2009 | 2001 Mitsubishi Montero Sport 4WD

1 Answer

I have replaced all 4 02 sensors in the 1999 volvo s80. i still get a code of p0154 which states bank 2 sensor 1 no activity. bank 1 sensor 1 shorted out against the exhaust pipes. we replaced all 4 02...


You have most likely a sensor harness wiring problem, no signal return, at this point your system needs to be hooked up to what is called a "break out box" to see what lead is dead, most likely a broken burnt or damaged wire, there is no easy way to do this, I strongly suggest this go to the Volvo dealer for diagnosis or rewire that sensor all the way back to the PCM (Powertrain Control Module), but preform these few checks 1st before you give up, pull the connector off at the sensor and look for pushed out pins in either the male or female side of the connector, you may also want to swap that sensor with the adjacent O2 sensor and see if the code comes up for bank 2 sensor 1, in that case the new sensor is defective, that is rare but it does happen.

Jul 08, 2009 | 1999 Volvo S80

1 Answer

We replaced all 4 02 sensors in the 1999 volvo s80. bank 2 sensor 1 shorted out and was up against the exhaust pipe. we get a code of p0154 which states bank 2 sensor 1 no activity. what do you suggest?


Did the bank 2 sensor 1 short out before or after your replaced all 4 sensors? If it was after, you are going to need to replace it again and make sure that the sensor wire is not touching the exhaust pipe anywhere to keep it from shorting out again. I would suggest using a piece of wire or something to attach it somewhere out of the way so it can't possibly rest on the exhaust again. Sorry for the bad news but this will get you in working order again. Thank you so much for using FixYa and let me know if you have any further questions. Thanks, Keith.

Jul 08, 2009 | Volvo S80 Cars & Trucks

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

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