Step | Action | Value | Yes | No |
|---|---|---|---|---|
1 | Is the engine oil used within the specified viscosity? | -- | Go to Step 2 | Go to Step 13 |
2 | Is the engine oil diluted? | -- | Go to Step 14 | Go to Step 3 |
3 | Is the fuel used within the recommended specification? | 30-44 API Gravity | Go to Step 4 | Go to Step 15 |
4 | Is the fuel contaminated with gasoline? | -- | Go to Step 15 | Go to Step 5 |
5 | Do you find any damage on the fuel pump, injection pipe, etc.? | -- | Go to Step 16 | Go to Step 6 |
6 | The gauze filter is fixed in the suction eye bolt on the supply pump. Are the prefilter, gauze filter, and the fuel main filter in a normal condition? | -- | Go to Step 7 | Go to Step 17 |
7 | Is the air filter in a normal condition? | -- | Go to Step 8 | Go to Step 17 |
8 | Bleed the air from the fuel system. Did you complete the action? | -- | Go to Step 9 | Go to Step 18 |
9 | Does the malfunction indicator lamp (MIL) illuminate? | -- | Go to Indicated DTC | Go to Step 10 |
10 | Inspect the engine scan tool data list at idling. Is engine scan tool data list within value? | 610-630 RPM | Go to Step 11 | Go to Step 19 |
11 | Inspect the injection balance each cylinder. Is injection balance with normal? | -- | System OK | Go to Step 12 |
12 | Perform the cylinder balance test. Do the flow dampers operate normally? | -- | Go to Step 20 | Go to Step 21 |
13 | Replace the engine oil. Did you complete the replacement? | -- | Go to Step 22 | -- |
14 | Replace the engine oil and repair the cause of dilution. Did you complete the replacement? | -- | Go to Step 22 | -- |
15 | Replace the fuel with fuel of the recommended specification. Did you complete the replacement? | -- | Go to Step 22 | -- |
16 | Replace the problem part. Did you complete the replacement? | -- | Go to Step 22 | -- |
17 | Replace the filter element. Did you complete the replacement? | -- | Go to Step 22 | -- |
18 | Bleed the air from the fuel line. Did you complete the action? | -- | Go to Step 22 | -- |
19 | Repair the appropriate system. Did you complete the repair? | -- | Go to Step 22 | -- |
20 | Replace the injector assembly. Did you complete the replacement? | -- | Go to Step 22 | -- |
21 | Replace the blow damper. Did you complete the replacement? | -- | Go to Step 22 | -- |
22 | Operate the vehicle. Does the vehicle operate normally? | -- | System OK | Go to Step 1 |
