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Fuel Injector Balance Test - With Scan Tool
FUEL INJECTOR BALANCE TEST WITH SCAN TOOL UNIT
The Saturn Scan tool (PDT) unit can be used command an injector pulse while the engine is off and the user is watching the fuel pressure.
NOTE: The entire test must be completed at least twice. The engine must be started and ran for three minutes (to keep in closed loop) prior to completing the second test.