P0157 OBD Engine Code Logo   Code #P0157 -
O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)

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This represents an error related to the Oxygen Sensor for Bank #2 which is after the Catalytic Converter. This generally does NOT mean that the Catalytic Converter is bad, but could mean that your engine is running lean, leaks in your exhaust system, the O2 sensor itself is bad, or (of course) the Powertrain Control Module (PCM) is damaged.

car jerks very hard and sputters along but will not accelerate, gas pedal does nothing, and eventually car loses power

Jeep Wrangler Unlimited
check engine light, P0157 and P0158 code


Jeep Grand Cherokee
Vehicle will start, but after a while, vehicule will die in any stop. Kind of like power reduced suddenly.


P0157

Getting P017 and P0159 and have loud exhaust. Reset the code and it comes back a few hours to a few days later. Have not attempted any repair yet.



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When did your Check Engine Light Come On?
Does your Car Start?
Does your Car Vibrate? Shake?
Does your Car Idle Roughly? Reduced Power?

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Other Comments

P0882 I replaced the governor pressure sensor [transducer} and the governor pressure solenoid but did not fix the problem

P0105 ninguno

P0508 picture sensor po508

P0400 Saab 9-3
PO400 keeps coming on despite cleaning EGR and the solenoid and removing all carbon. Solenoid works fine as I checked with 12 battery when off the car. No idea what to do next!


P0339 BMW 525i
replaced crank sensor fault still appearing




Other Check Engine Light Codes

P0022   'A' Camshaft Position - Timing Over-Retarded (Bank 2)
P0233   Fuel Pump Secondary Circuit Intermittent
P0389   Crankshaft Position Sensor 'B' Circuit Intermittent
P0418   Secondary Air Injection System Relay 'A' Circuit
P0455   Evaporative Emission Control System Leak Detected (gross leak)
P0665   Intake Manifold Tuning Valve Control Circuit High (Bank 2)
P0719   Torque Converter/Brake Switch B Circuit Low
P0796   Pressure Control Solenoid 'C' Performance or Stuck off
P0888   TCM Power Relay Sense Circuit
P0936   Hydraulic Pressure Sensor Circuit Intermittent




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