Workshop Manuals Factory service & repair Fiat
01 00 General information and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 27 Axle06 33 Braking system07 41 Steering08 44 Suspension and wheels09 50 Auxiliary units10 55 Electrical equipment11 70 Bodywork12 Diagnosis13 Tests14 Wiring diagrams
Fiat Seicento Factory Service Manual (1998-2010)12 · Diagnosis
12 · Diagnostics

S05 Engine hissing

Make
Fiat
Model
Seicento Factory Service Manual
Year
1998–2010
Section
Noise and vibration › S05 Engine hissing
DiagnosisS05 Engine hissing

S05 Engine hissing

A hiss leading from the engine can be heard (low frequency noise). It varies with rpm

Step Validity Operation to be performed Test results
OK ⚠ 🔧
1 CHECK AIR CIRCUIT All OK Problems found Intervention
Check
– air delivery circuit intactness and tightness
Go to Step 2 Damaged circuit component Replace component
PROCEDURE 1048A
2 CHECK ENGINE EXHAUST All OK Problems found Intervention
Check
– intactness and tightness of engine exhaust pipes
Go to Step 3 Damaged pipe, muffler or fitting Replace component
PROCEDURE 1076B
3 CHECK CORRECT OPERATION All OK Problems found Intervention
Check the fault is no longer present End of test Fault persists Seek the fault starting from another symptom
(the noise was not interpreted correctly:
see Glossary)

Parts & tools for this job For 1998 Fiat Seicento

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