mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Engine - No Idle/Stalls Below 2,000 RPM|Page 4143 > < Engine - No Idle/Stalls Below 2,000 RPM
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Functional Schematic

TFI-IV

The TFI-IV system electrical schematic is shown below. For detailed information, refer to the vehicle wiring diagram.

Ignition Coil Secondary Voltage (Crank Mode)

TFI-IV
Part 2

Test 1 & 2

Engine - No Idle/Stalls Below 2,000 RPM|Page 4143 > < Engine - No Idle/Stalls Below 2,000 RPM