Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 1984 >> Chevette L4-111 1.8L DSL >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Exhaust Gas Recirculation >> Testing and Inspection >> Testing Note
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

Testing Note


Refer to ``Control Switches and Valves'' to test vacuum circuit controls and ``Computer Command Control (C-3) System,'' ``Electronic Fuel Injection'' or ``Diesel Electronic Control (DEC) System'' for EGR control solenoid tests.


pro multis · About Operation CHARM