2005 Ford Ranger exhibiting code P2270

I'm trying to locate the #1 cylinder for the 2008 Ford Escape V6, I scan the vehicle and I got a code p2270 bank 1 sensor 2 on the fire wall side I replace the downstream sensor after the catalytic converter and it still gives me the same code. please let me know what I did wrong.

http://www.obd-codes.com/p2270


http://www.obd-codes.com/p2197

This P2270 trouble code refers to the post-catalytic converter O2 (oxygen) sensor on bank #1, sensor #2.

Check this site:
P2270 O2 Sensor Signal Stuck Lean B1S2

P2270 O2 Sensor Signal Stuck Lean B1S2

The code is easily available from and ford dealer, it is the easiest and the fastest way to get it back on.

Tony

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/tony_a41fa0b801734e2f

HI FRED YOUR CODE SHOULD BE 4157 LET ME NO THANX MERRY CHRISTMAS

The P2270 is a fairly straight forward code pointing to a fault in the downstream heated oxygen sensor (B1S2). Basically, it's not switching in the alotted time that on-board computer needs to see. Carefully inspect the wire harness and electrical connector for any loose, broken, pinched or rubbed through wires. Make sure there are no current exhaust leaks in the system. If the visual inspection checks ok, replacing the sensor should solve the problem.Bank 1 is on the passenger side and sensor 2 is by the cataytic convertor.

Hi Paul, Have you had a fault code relating to the knock sensor? That sensor controls ignition timing which can have a relationship to the fault codes you report? Regards John

DTC P2270: Rear Secondary HO2S (Bank 1, Sensor 2) Circuit Signal Stuck Lean

Is this the only code that is coming up? If so, replacing the Bank 1 Sensor 2 Oxygen sensor should fix it. If there are any other engine/drivetrain/emissions related codes, I would recommend ignoring this code for now and fix the other things first, then retest the vehicle to see if this code comes back.

For more information about locating oxygen sensors and repairing oxygen sensor codes, please review the following article:

Which Oxygen Sensor Is It?

What Else Could Be Wrong?

Good Day Mathomara!

Please try code 3722

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Thanks for asking Fixya.

these engines did have some exh valve issues, service bulletin 05-26-3. one other thing to verify is that the cam synronizer (CMP) is correctly installed. if its not right on, its way off.