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2015 Chevrolet Silverado 1500 LT 5.3L Misfire, MIL Lamp on
Posted to GM Driveability on 5/5/2023 7 Replies

I have not duplicated the missfire yet but counts high on # [...] mpfi I would pin out injector circuit and check pulse with noid light, and ohm out injector. Looking for direction as being first dfi, injectors are not accessible and there is high voltage ...

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  Related Documents & Media  2015 Chevrolet Silverado 1500 LT

 
Message Closed w/Summary

car Vehicle Data

2015 Chevrolet Silverado 1500 LT

VIN 1GCVKREC8F
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / dfi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0300Multiple Misfire Detected
P124C5 injector high control circuit shorted to control circuit
Message Closed w/Summary

car Vehicle Data

2015 Chevrolet Silverado 1500 LT

VIN 1GCVKREC8F
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / dfi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0300Multiple Misfire Detected
P124C5 injector high control circuit shorted to control circuit