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Service engine light comes on and when tested comes back saying it is a p0141 problem. what is the problem???

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A code P0141 may mean that one or more of the following has happened:

  • open or short to ground in the wiring harness
  • O2 heater circuit wiring high resistance
  • O2 heater element resistance is high
  • Internal short or open in the heater element

Posted on Aug 30, 2010

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Have a Ford fusion 06 Have p0141 code I fix the oxygen sensor but the codes still comes on?


Did you replace the right one ? This code does not necessarily mean the O2 sensor is bad . The code description say O2 heater " CIRCUIT " bank 1 sensor 2 Did you check the wiring , the fuse ?
P0141 - O2 Heater Circuit (Bank 1, Sensor 2) Description: See the description for DTC P0135. Possible Causes: See the possible causes for DTC P0135. Diagnostic Aids: See the diagnostic aids for DTC P0135. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW . P0135 - O2 Heater Circuit (Bank 1, Sensor 1) Description: During testing the heated oxygen sensor (HO2S) heaters are checked for open and short circuits and excessive current draw. The test fails when the current draw exceeds a calibrated limit or an open or short circuit is detected. Possible Causes:
  • Vacuum hose disconnected on exhaust gas recirculation (EGR) system module (ESM) applications
  • Short to VPWR in the harness or HO2S
  • Water in the harness connector
  • Open VPWR circuit
  • Open GND circuit
  • Low battery voltage
  • Corrosion or incorrect harness connections
  • Damaged HO2S heater
Diagnostic Aids: Check the HO2S electrical connector for damage, corrosion, and water intrusion.
Damaged HO2S heater. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW .

Mar 31, 2015 | 2006 Ford Fusion

1 Answer

P0141 p0036 p0054 pontiac


Check your fuse and replace any that are burnt out. It is possible that it your heater on your O2 sensor shorted that it blew the fuse.

Apr 10, 2014 | 2008 Pontiac G6 Sedan

1 Answer

I get a p0141 fault code . could this be caused by a coolant problem


no engine options (size) stated so... bad answers happen.......????
p0141 (federal code) is
P0141 Jeep - O2 Sensor 1/2 Heater Performance http://engine-codes.com/p0141_jeep.html

in bar stool , answer:
the heater is toast, (pun intended)
the heater burned up and open or is shorted.
Or as techs know>
bank 1 sensor 2 , rear , is bad or the wires cut or shorted there.
the Computer ONLY knows that test fails, NEVER why
and is never wrong.
the current is wrong. (amps)

Feb 15, 2014 | 2004 Jeep Wrangler

2 Answers

What does the codes p0442,p0136 &p0141 mean on my 2001 ford taurus it failed inspection for these codes


P0442 FORD - Evaporative Emission System Leak Detected Small Leak

Possible causes- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking
P0136 - O2 Sensor Circuit Malfunction Bank 1 Sensor 2
Possible causes- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Faulty Rear Heated Oxygen Sensor Bank 1
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks

P0141 FORD - O2 Heater Circuit Bank 1 Sensor 2

Possible causes- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)

Sep 27, 2012 | 2001 Ford Taurus

1 Answer

Is the PCM the issue?


The P0140 code is caused by or is affected by the P0141 code. Fix the P0141 code first before worring about the P0140.
It is good you had the connections cleaned as oil contamination will cause a problem with the O2 system.
The "automotive electrician" should have performed a continuity test from the O2 sensor heater fuse to the PCM connector were the heater is grounded. The resistance value should be 35ohms. If the value is too high, the PCM will set the P0141 code. I would suspect you have an open circuit in either high or low side of the O2 sensor heater circuit.
Good luck.

Nov 17, 2011 | 2003 Cadillac CTS

1 Answer

I have Nissan Altima 2001 running 93500 K. since last a week service engine soon light on and showing P0141 & 0325 codes. What is the fix for P0141 and P0325 error codes.


p0325 = bank 1 sensor 2 oxygen sensor p0141 = knock sensor
if it were me you could watch the sensor on a scanner to see if working properly but without a scanner i'd replace the oxygen sensor bank 1 = passenger side
sensor 2 is sensor behind the catalictic converter screwed in

good luck

Jun 27, 2011 | Nissan Altima Cars & Trucks

1 Answer

Transmission Fluid Temperature Sensor Circuit Range/Performance code and service engine light on.You can turn the service light off and clear the codes and the EGR and O2 sensors say not complete after...


I have a 2004 that did not pass the state of Illinois emission test.
The code came back 0711. The check engine light comes on
occassionally but will go out and won't come back on for weeks at a time. Does anyone have a clue?

Jan 25, 2010 | 1997 Saturn SW

1 Answer

Silverado 2004 trouble


P0141 & P0161 are oxygen sensor codes, P0442 is fuel evaporative leak. P0141 & P0161 I would replace the o2 sensors, P0442, make sure the gas cap is on tight, if it is, take it off and look at the rubber seal on the cap where it seals on the filler neck. Sometimes that seal get hard/brittle and cracks. This would allow a vacuum leak in the fuel evap system. If you find cracks in the fuel cap seal just install a new gas cap. Now any time you replace parts from having the check engine light on, doesn't automaticly turn the light off. You need a scan tool for that, however, I you fixed a problen by replacing parts, the next time the computer runs its "on board" diag test & that system passes, the light will turn off. You can alway go to you local parts wherehouse or Aamco & they will scan for free.

Jan 02, 2010 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

Check engine light is on..freze frame data detected..code p0141..what is that..


Hi....
The code P0141... Is : Heated Oxigen sensor Bank 1 sensor 2
Is the sensor Located before of the catalystic.
Normalli this code come when the sensor is damaged. in short.
or Disconnected ON rare CASES ECM defective.
But I recomend clear the lights. and drive the car untill the light come back. if is the same code. Check the connections of the code if the connection is ok. REPLACE the sensor.

I hope this help on your problem....
Any ,more info. I wil help as soon as possible.

Jul 30, 2008 | Toyota ECHO Cars & Trucks

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