Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Emission Systems Application Chart


If there are any problems with the identification of the model, year, country or engine designation, see "V.I.N. AND ENGINE CODE IDENTIFICATION" for positive I.D..
For engine system I.D. (fuel-, ignition system etc.) see "ENGINE SYSTEM IDENTIFICATION"



MODEL 911 Turbo:

ENGINE DESIGNATION M930/69
DISPLACEMENT 3.3L (3299cc or 201.4 cu.in.)
CYLINDERS Flat 6
FUEL CONTROL SYSTEM Bosch K-Jetronic
DEVICES AND SYSTEMS:
AIR Air Injection System
DCV Deceleration Valve
ECS Evaporative Control System
OXY Oxygen Sensor
PCV Positive Crankcase Ventilation
TWC Three-Way Catalytic Converter