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2014 Chevrolet Sonic LT 1.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
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 ...
Summary posted 11/29/2022
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Related Documents & Media | VIN | 1G1JC5EH0E |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0641 | PCM Sensor Reference Voltage 'A' Circuit Malfunction |
| P0651 | PCM Sensor Reference Voltage 'B' Circuit Malfunction |
| P0697 | Sensor Reference Voltage 'C' Circuit Too Low |
| P06A3 | 5v reference 4 circuit |
Message Closed w/Summary
Vehicle Data
2014 Chevrolet Sonic LT
| VIN | 1G1JC5EH0E |
| Engine | 1.8 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0641 | PCM Sensor Reference Voltage 'A' Circuit Malfunction |
| P0651 | PCM Sensor Reference Voltage 'B' Circuit Malfunction |
| P0697 | Sensor Reference Voltage 'C' Circuit Too Low |
| P06A3 | 5v reference 4 circuit |
Video