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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Got this code after car won't start meaning low voltage...battery good so taking off altenator to get it checked . I was hoping it was a broken belt but wasn't..Didn't realize they had two belts originally.One goes to alt.only


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P0607 Ford Fiesta
Won't turn over. when I get it to turn over it starts but does not go into gear, it just flashes between park, neutral, and drive.




Other Check Engine Light Codes

P0116   Engine Coolant Temperature Circuit Range/Performance Problem
P0204   Injector Circuit - Cylinder 4
P0206   Injector Circuit - Cylinder 6
P0209   Injector Circuit - Cylinder 9
P0217   Engine Coolant Over Temperature Condition
P0343   Camshaft Position Sensor 'A' Circuit High Input (Bank 1 or Single Sensor)
P0354   Ignition Coil 'D' Primary/Secondary Circuit
P0780   Shift
P0891   TCM Power Relay Sense Circuit High
P0977   Shift Solenoid "B" Control Circuit High




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