D01 Engine running irregularly (hesitant) (page 3 of 3)
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- Engine
DiagnosisD01 Engine running irregularly (hesitant) · page 3 of 3
| Step | Validity | Operation to be performed | Test results | ||
|---|---|---|---|---|---|
| OK | ⚠ | 🔧 | |||
| 6 | CHECK AIR CIRCUIT Check |
All OK Go to Step 7 |
Problems found Damaged circuit component |
Intervention Replace component PROCEDURE. 1048A |
|
| Incorrect air cleaner assembly | Restore correct air cleaner assembly PROCEDURE OP. 1048A14 |
||||
| 7 | CHECK FUEL PRESSURE Check the fuel supply pressure |
All OK Go to Step 8 |
Problems found Incorrect pressure |
Intervention Check the system components in the following sequence: – fuel filter PROCEDURE OP. 1044B10 – pressure regulator – fuel hoses PROCEDURE 1040 B |
|
| 8 | CHECK CYLINDER COMPRESSION Perform the cylinder compression test |
All OK Go to Step 9 |
Problems found Incorrect compression values |
Intervention Restore correct cylinder compression values |
|
| 9 | CHECK CORRECT OPERATION Check the fault is no longer present |
All OK End of test |
Problems found – |
Intervention – |
|
Parts & tools for this job For 1998 Fiat Seicento
- PARTEngine gasket setSearch: Fiat Seicento 1998 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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