Question about 1997 Geo Metro

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Check engine light is on

Fault code p0136 shows on scanner. i know this has to do with the oxygen sensor, i just don't know which one. i have talked to several different people and one person will say it is the upstream o2 sensor and the next person will say it is the downstream one. i need clarification

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P0136 = O2 Sensor Circuit Malfunction (Bank 1, Sensor 2)

Which would be the oxygen sensor after the converter.

Posted on Sep 02, 2008

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Posted on Jan 02, 2017

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Ok what do you call the sensor


Ok what do you call the sensor Arnold, List of sensors, could be more on different vehicles. You will have to have scanned to get codes to diagnose problem.
  • Crank Position (CKP)
  • Cam Position (CMP)
  • Engine Coolant temp (ECT)
  • Manifold Absolute Pressure or Mass Air Flow, MAP and/or MAF.
  • Throttle position (TPS)
  • Accelerator pedal position (APPS)
  • Heated Oxygen sensor in exhaust (H02S)
  • Wheel Speed Sensor
  • Tire Pressure sensor (TPMS)
  • Intake/Ambient Air Temp (IAT) "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Mar 24, 2016 | Cars & Trucks

1 Answer

P0136


Code 136 is for a problem with the O2 sensor mounted in the exhaust pipe after the catalytic converter.
The sensor would need to be checked with a scanner.

Jul 13, 2013 | 2004 Pontiac Sunfire

1 Answer

P0136 ford windstar 2000


P0136 is an oxygen sensor check code for sensor 2 in bank 1. This can indicate a faulty sensor, but more commonly it indicates an issue with the exhaust. There may be a leak somewhere near the sensor causing an erroneous report to the engine computer for fuel to air ratio in the exhaust. This can be difficult to detect. At a garage, they will probably use a smoke machine to detect airflow around exhaust gaskets to spot a leak, barring that, they will replace the sensor. If the light still comes on after confirmation there are no leaks and the sensor has been replaced, it would indicate a problem in the wiring on the line between the sensor and the engine computer.

Further reading about the code can be found here:
http://www.obd-codes.com/p0136

Oct 25, 2012 | 2000 Ford Windstar

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

Fault code 151


We guess DTC P0151... essentially the same as P0136 and P0137 and P0131, a P0151 code refers to the first oxygen sensor on Bank 2 . P0151 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes. This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 2 Sensor 1 is located in front of the catalytic converter.

There may be no visible symptoms to the driver, other than the MIL (Check Engine / Service Engine Soon) illumination.

A code P0151 may mean that one or more of the following has happened:
Faulty o2 oxygen sensor
Short to voltage on O2 signal circuit
High resistance or open on O2 signal circuit

Possible Solutions:
Replace faulty sensor
Repair short, open, or high resistance on o2 signal circuit

Sep 07, 2011 | BMW X5 Series Cars & Trucks

1 Answer

My S-type will sometime read restricted performance,ABS brake, engine fault,air bag and the engine light will be on dash bored-the car will not exceed over 15mph-if vehicle is park for 15 min of longer-...


its sounds like its between the oxygen sensor..and your throttle body sensor..Normally the difference between the oxygen sensor it will display all these things except the dsc mil.Make sure that you dont wash the engine caompartment near the firewall,this can lead to water getting into the TBS and cause the sensor to go bad,and also near the MAF in the air cleaner elbow.Water can short this sensor.But intermitant restricted performance can show do to a knock sensor malfunction also it will code p0327 or the oxygen sensor.Go by Antozone let them scan the car for codes and freeze frame data.The Actron obdii scanner does well with Jaguars.

Aug 05, 2011 | 2003 Jaguar S-Type

3 Answers

Stalling Toyota Camry 2004


P-0102 and P-0113 are mass air flow and intake air temp codes, the P-0136 is an Oxygen sensor code. Before you do anything, check for debris in the Mass Air Flow Sensor, it's small black box with electrical wiring connector that is screwed into the intake air tube, between the air box and the intake manifold. Undo the screws, remove the sensor, and, with a flashlight, and look down inside it for debeis, or broken wires inside it. If it's dirty, it could throw a P-0136...Comment back on what you find; hope this helps, and thanks for choosing FixYa!

Oct 24, 2008 | 2002 Toyota Camry

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