P0140 OBD Engine Code Logo   Code #P0140 -
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)

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Hyundai Sonata
Check engine light on intermittently. Returned code P0140, 02 Circuit, No Activity Detected Bank 1 Sensor 2. Car starts and runs fine


starts cold after a lil ride has trouble starting once u park and come back but starts with difficulty

P0140

running rough

Tried o2 sensor and I drive a Chevy lumina 96

had p0420 code, replaced cat,scan p0140 code now engine light off

GMC Safari
why do I have a 140 code showing after replacing cat.


Toyota Sequoia
0140


Scan indicates voltage on O2 sensor ranges between .2 and .8. So it appears that the O2 sensor is connected and operating. However I am getting the code.

doesn't seem to effect a infrequently used 1996 Buick LeSabre -haven't tried to fix it till now (inspection due!)

Buick LeSabre
no symptoms noticed


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p0454 code

p0140 check engine light stay on

Mercedes-Benz ML320
check engine light stay on


Had error message P0140, P0141, P0154 and P0155. Replaced both O2 sensors within two days error message returned.

p0140

hyundai getz 1.3 05 lammda p0140

replaced 02 sensor

Cooper
hfojs.




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Other Check Engine Light Codes

P0065   Air Assisted Injector Control Range/Performance
P0086   Exhaust Valve Control Solenoid Circuit High (Bank 2)
P0140   O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0188   Fuel Temperature Sensor B Circuit High Input
P0438   Catalyst Temperature Sensor High Input (Bank 2)
P0542   Intake Air Heater Circuit High
P0604   Internal Control Module Random Access Memory (RAM) Error
P0649   Speed Control Lamp Control Circuit
P0781   1-2 Shift
P0876   Transmission Fluid Pressure Sensor/Switch "D" Circuit Range/Performance




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