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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (3.0L - Engine Mechanical - General & Technical Data - Engine Code(S): CJTB, CJTC, CNAA, CJWB, CJWC, CJWE, CTWA, CTWB) >> 00 General, Technical Data >> Safety Precautions >> Before Opening High Pressure Fuel Injection System

Before Opening High Pressure Fuel Injection System

WARNING: This page is about a different variant/trim than selected.
WARNING:
  • The injection system is separated into a high-pressure section (maximum approximately 120 bar (1740 psi)) and a low-pressure section (approximately 6 bar (87 psi)).
  • Before opening high pressure area, fuel pressure must be reduced to a residual pressure of approximately 6 bar (87 psi). Refer to SAFETY PRECAUTIONS AND CLEAN WORKING CONDITIONS .
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