The engine runs irregularly
- Make
- Alfa Romeo
- Model
- 155 Factory Service Manual
- Year
- 1992–1998
- Section
- The engine runs irregularly › The engine runs irregularly
Fuel system (V6)The engine runs irregularly
THE ENGINE RUNS IRREGULARLY
TEST H
| TEST PROCEDURE | RESULTS | CORRECTIVE ACTION |
|---|---|---|
| H8 CHECK CYLINDER COMPRESSION - Check cylinder compression - see GROUP 00 - CHECKING CYLINDER COMPRESSION |
OK NOT OK |
Proceed to phase H9 Restore the cylinders to the correct compression |
| H9 CHECK CRANKSHAFT PULLEY - Check that the crankshaft pulley is tightened to the correct torque - see GROUP 01 (An incorrect torque will cause the r.p.m. and timing sensor to malfunction) |
OK NOT OK |
Proceed to phase H10 Tighten to the correct torque |
| H10 CHECK CONTROL UNIT - Check that the.MOTRONIC M1.7 control unit is working properly (by checking the vehicle using another control unit) |
NOT OK | Replace the control unit |
End of test H
Parts & tools for this job For 1992 Alfa Romeo 155
- PARTEngine gasket setSearch: Alfa Romeo 155 1992 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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