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2014 Chevrolet Tahoe LS 5.3L MIL Lamp on
Posted to GM Driveability on 8/16/2018 10 Replies

Intermittently MIL comes on for P015B and P015D. Both bank 1 sensors are operating normally and mirror each other. The fuel pressure is good. Mass airflow reads correctly. Smoked intake for leaks none found. Checked exhaust for leaks and/or cracks none fou...

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car Vehicle Data

2014 Chevrolet Tahoe LS

VIN 1GNSCAE09E
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P015BHo2s bank 1 sensor 1 delayed response rich
P015DHo2s bank 2 sensor 1 delayed repsonse rich
Open Help Request

car Vehicle Data

2014 Chevrolet Tahoe LS

VIN 1GNSCAE09E
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P015BHo2s bank 1 sensor 1 delayed response rich
P015DHo2s bank 2 sensor 1 delayed repsonse rich