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2014 Chevrolet Express 3500 6.0L Poor Idle Quality, Misfire
Posted to GM Driveability on 6/17/2021 12 Replies

So i have this express here came in because it would not get out of its own way with plugged cats. Replace cats first. Now runs and moves but has misfires all on bank 1. I have checked power and ground at all injectors on bank 1 injectors ohm out good and ...

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  Related Documents & Media  2014 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2014 Chevrolet Express 3500

VIN 1GAZGYFG9E
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0201Fuel Injector 1 Circuit Malfunction
P0203Fuel Injector 3 Circuit Malfunction
P0205Fuel Injector 5 Circuit Malfunction
P0207Fuel Injector 7 Control Circuit Malfunction
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2014 Chevrolet Express 3500

VIN 1GAZGYFG9E
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0201Fuel Injector 1 Circuit Malfunction
P0203Fuel Injector 3 Circuit Malfunction
P0205Fuel Injector 5 Circuit Malfunction
P0207Fuel Injector 7 Control Circuit Malfunction
P0300Multiple Misfire Detected