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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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| 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 | 
                            
19 Replies Received
          19 Replies Received
          
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