Snap-On Diagnostics DGA 1000, Manual, Page: 67 / 116

Vehicle Testing
3-19
9. Are you sure that ignition was disabled?
YES NO (make choice)
10. Are you sure that injection was disabled?
YES NO (make choice)
11. Are you sure that the engine was cleared of residual
gases?
YES NO (make choice)
12. Adjust propane to a flow of:
Example (based on default engine displacement value
of 2000cc):
—
3.1 (L/min) Liters per minute
— 6.7 (SCFH) Standard Cubic Feet per Hour
✓
Refer to the Conversion Table for Proper Propane Flow‚
page 3-16 .
Then press ENTER.
13. Connect propane enrichment device to engine.
Press continue.
✓
If at this point the Catalytic Converter cooled down the
following message appears:
Catalytic Converter cooled down.
Select [next page] to repeat warm-up.
14. Crank the engine.
Start cranking and
Propane flow in 5s.
Throttle valve completely closed, initiate cranking and
depress push valve on propane enrichment device to
star t propane flow.
15. Cranking (counts down).
Stop propane flow
Stop cranking
16. Pass/Fail Chart is displayed.
This is followed by the actual test value.
—
This chart does not display if the test is invalid.
The actual results may be printed by selecting print.
Enter the customer vehicle information. When ready,
press the ENTER key and a printout is produced.
✓
Print results before the last results screen appears.
When testing is completed, re-enable ignition and fuel systems.