RAM 2500 Truck 2WD L6-359 5.9L DSL Turbo VIN D FI (1997)
Fig 59 Diesel Linkage Measurement -- Typical
9. With the engine OFF, operate throttle from accelerator pedal and check for throttle lever action and lever rod binding against other components. If
center of rod is contacting injection pump, loosen both rod nuts and twist rod into position. Tighten both nuts.
10. Be sure throttle lever stop is against the low idle speed screw after throttle is released.
11. Be sure of wide open throttle (WOT) when accelerator pedal is pressed to the floor. This is checked by observing throttle lever breakover position.
Proceed to the following:
a. Key OFF and engine OFF for this test.
b. Two people are needed for this test. From inside of the vehicle, press the accelerator pedal about half-way to the floor. Movement of both the
throttle lever and throttle lever-to-injection pump lever linkage rod should be observed.
c. Continue to press the accelerator pedal to the floor. If throttle lever breakover is operating correctly, the throttle lever-to-injection pump lever
linkage rod should have stopped moving while the throttle lever continues to move towards the rear of vehicle.
12. Again, check and verify low idle speed. Adjust if necessary.
13. Diesel engines equipped with Throttle Position Sensor (TPS): TPS voltage must now be tested. Refer to Throttle Position Sensor.
