Fiat Bravo Service Manual page 413

Bravo-Brava @o Engine
Fuel system
10.
ANOMALY
Black smoke at exhaust
White smoke at exhaust
Engine will not reach
maximum rated rpm
Excessive engine noise
CAUSE
Injection order does not corre­
spond to combustion order
Air cleaner blocked
Injectors defective
Incorrect injection pump timing
Incorrect injection pump setting
Tank ventilation defective
Fuel inlet and outlet lines changed
over on injection pump
Air in fuel system
Fuel filter blocked
Fuel and injection lines blocked or
restricted
Injectors defective
Incorrect injection pump timing
(delayed)
Incorrect injection pump setting
Air in fuel system
Injectors defective
Incorrect injection pump timing
(delayed)
Injectors defective
Incorrect injection pump timing
(advance)
Incorrect injection pump setting
REMEDY
Fit pipes from pump to injectors in
correct order
Replace filter element
Check and/or replace injectors
Restore correct injection pump
timing and adjust advance
Check injection pump setting at
test bench
Check tank ventilation
Fit fittings correctly
Bleed and eliminate air leaks into
system
Replace filter
Check lines, repair or replace
Check and/or replace injectors
Restore correct injection pump
timing and adjust advance
Check injection pump setting at
test bench
Bleed and eliminate air leaks into
system
Check and/or replace injectors
Restore correct injection pump
timing and adjust advance
Check and/or replace injectors
Restore correct injection pump
timing and adjust advance
Check injection pump setting at
test bench
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