Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Isuzu Trooper LS V6-3.5LFACTORY OEM SERVICE PROCEDURE
Instruments Test
Instruments Test
This test is conducted check Instruments for proper operation.
Tech 2 must be used for this test.
Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is "On".
3. Select F3: Miscellaneous Test in the Application Menu.
4. Select F4: Instruments in the Miscellaneous Menu.
5. Select F0: Fuel Gauge level.
6. Push "Decrease" or "Increase" soft key.
7. Control Fuel Level and check data list.
- If data list and Fuel gauge meter changes, Fuel Gauge level is normal.
8. Select F1: Tachometer Control Test.
9. Push "Inactive" or "active" soft key.
10. Control tachometer and data list.
- If data list and meter changes, the tachometer Control is normal.
This test is conducted check Instruments for proper operation.
Tech 2 must be used for this test.
Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is "On".
3. Select F3: Miscellaneous Test in the Application Menu.
4. Select F4: Instruments in the Miscellaneous Menu.
5. Select F0: Fuel Gauge level.
6. Push "Decrease" or "Increase" soft key.
7. Control Fuel Level and check data list.
- If data list and Fuel gauge meter changes, Fuel Gauge level is normal.
8. Select F1: Tachometer Control Test.
9. Push "Inactive" or "active" soft key.
10. Control tachometer and data list.
- If data list and meter changes, the tachometer Control is normal.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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