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2020 Chevrolet Silverado 1500 Custom Trail Boss 4.3L Poor Idle Quality, Misfire, MIL Lamp on
Hopefully some GM guru can help me have a better understanding of what's happening. This vehicle was sold from a car lot with these faults present, p3443 and p3441. I will admit that this is the first one of these engines I've worked on. I am familiar with...
FIX posted 10/24/2024
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Related Documents & Media | VIN | 1GCPYCEH3L |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 1-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P3441 | MDS Solenoid 6 Circuit Malfunction |
| P3443 | cylinder 6 deactivation slenoid valve control circuit. |
Message Closed w/FIX
Vehicle Data
2020 Chevrolet Silverado 1500 Custom Trail Boss
| VIN | 1GCPYCEH3L |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 1-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P3441 | MDS Solenoid 6 Circuit Malfunction |
| P3443 | cylinder 6 deactivation slenoid valve control circuit. |
Video