Operation CHARM: Car repair manuals for everyone.
Home >> Mercury >> 1995 >> Villager V6-181 3.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Diagnostics >> NGS Scan Tool Test Modes and Descriptions >> Key on Engine Off (KOEO) Tests >> EGR Control Test
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

EGR Control Test






EGR CONTROL TEST - (KOEO)

Description: NGS Tester cycles Exhaust Gas Recirculation Control (EGRO) solenoid on and off in three second intervals.






Result: NGS Tester prompts the technician to verify solenoid operation by sound.
pro multis · About Operation CHARM