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2024 Chevrolet 2500hd 6.6L MIL Lamp on
Anyone have a back psi spec for these 6.6 gas gm? New customer and came in with P0430, running just a little rough. Data stream looks normal, O2's are swinging very well. Side note why can I not find any cars newer that 2021 on here?
FIX posted 6/26/2025
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| VIN | [No VIN Available] |
| Engine | 6.6 L / 8 cyl |
| Delivery | Fuel Injection / gdi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | 1Gc4yle74rf166436 |
Trouble Codes
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Message Closed w/FIX
Vehicle Data
2024 Chevrolet 2500hd
| VIN | [No VIN Available] |
| Engine | 6.6 L / 8 cyl |
| Delivery | Fuel Injection / gdi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
| Misc. | 1Gc4yle74rf166436 |
Trouble Codes
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
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