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 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
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)
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
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.
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!