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2014 Chevrolet Sonic LT 1.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 11/11/2022 19 Replies

Vehicle has intermittent but consistent problem. When I first saw the vehicle (house call), it had codes for every sensor on these 4 reference voltage circuits, and ran poorly - misfire, rough idle, fuel odor. Dash display stated Low Power. Fast forward a ...

19 Replies Received (View Replies)

  Related Documents & Media  2014 Chevrolet Sonic LT

 
Message Closed w/Summary

car Vehicle Data

2014 Chevrolet Sonic LT

VIN 1G1JC5EH0E
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0641PCM Sensor Reference Voltage 'A' Circuit Malfunction
P0651PCM Sensor Reference Voltage 'B' Circuit Malfunction
P0697Sensor Reference Voltage 'C' Circuit Too Low
P06A35v reference 4 circuit
Message Closed w/Summary

car Vehicle Data

2014 Chevrolet Sonic LT

VIN 1G1JC5EH0E
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0641PCM Sensor Reference Voltage 'A' Circuit Malfunction
P0651PCM Sensor Reference Voltage 'B' Circuit Malfunction
P0697Sensor Reference Voltage 'C' Circuit Too Low
P06A35v reference 4 circuit