Professional Engine Test Tool FS2478

1. Read,understand,and follow"safety pre-caution"before using Fuel Injector Cleaner. 2.Run the vehicle until the engine reaches normal operating temperature.shut the engine off. 3. Turn regulator on top of fuel injector cleaner to full open position.(counter clockwise).leave the fitting on the end of the regulator open-do Not connect shop air. 4. Close the shut-off valve at the bottom of the fuel injector cleaner. Noet:Valve is OFF if it's turned all the way clockwise. 5. Remove top and regulator assembly from top of fuel injector cleaner. Fill the container with one bottle of D-Karbonizer. Install top regulator assembly again. 6. Locate a manifold vacuum port(not ported vacuum).near the throttle body or carburetor.(this will distribute the decartonizing solution more evenly). 7. Connect the decarbonizer hose(with adapter) the manifold vacuum port.opening the shut-off valve.(the engine will run rough and RPM will edcrease.do not manually increase PRM) 8. When the container is empty,turn the engine Off. 9. Remove the adaptor fitting from the engine.connect the vacuum hose. 10. Let the vehicle is for at least 30 minutes to allow the solution to work on soft carbon deposits. 11. Test drive the vehicle for at least 15 miles to flush loosened carbon deposits out of the system