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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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 944 S2:

ENGINE DESIGNATION M44/41
DISPLACEMENT 3.0L (2990cc or 182.5 cu.in.)
CYLINDERS Inline 4
FUEL CONTROL SYSTEM Bosch L-Jetronic
DEVICES AND SYSTEMS:
ECS Evaporative Control System
OXY Oxygen Sensor
PCV Positive Crankcase Ventilation
TWC Three-Way Catalytic Converter