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Test Description

The numbers below refer to the step number or the diagnostic procedure.

4

The throttle valves are spring loaded in a slightly open position and should move in either direction without binding. The throttle valves should always be under spring pressure.

7

When the ignition is turned ON, the ECM operates the throttle control motor to verify the integrity of the system prior to start-up. This can be seen by the momentary flash of the test light as the ignition is turned ON.