DME Code 120308/120408 Boost Pressure Too Low

[mondayze]

Codes popped up cruising around town after a spirited drive. Charge pipe looks good, I dont see any obvious cracks. Where are the hose clamps for the CP, some say that the hose clamps come loose with more boost? im stage 2 e40.

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[DeeTee]

Codes popped up cruising around town after a spirited drive. Charge pipe looks good, I dont see any obvious cracks. Where are the hose clamps for the CP, some say that the hose clamps come loose with more boost? im stage 2 e40.

The 120308 and 120408 codes mean the DME detected a boost leak or deviation, causing it to shut down boost control as a safety measure. Since you are Stage 2 E40, the extra boost commonly pushes connections open even if they look completely fine at idle.