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1.2L REVOTRON ENGINE
13
Disconnected
or
leaking
vacuum line or vacuum leak at
inlet manifold
Inspect all vacuum lines and inlet
manifold. Repair or replace as
necessary.
Improper
grade
or
contaminated fuel
Flush fuel system with fresh,
clean, fuel of the correct type.
Replace fuel filter.
Faulty spark plugs, wires, or
ignition coil
Check ignition system components
for proper operation. Replace as
necessary.
Malfunctioning
engine
management
system
component
Perform engine management
system
diagnostic
test
as
described in this section of the
manual.
Defective Engine Control Unit
(ECU)
Replace as necessary.
Malfunctioning
emissions
system component
Check tank pressure valve, purge
canister valve, and charcoal
canister. Repair or replace as
necessary.
Fuel filter if clogged.
Replace the fuel filter.
fuel lines are pinched or
clogged
Correct the routine to avoid pinch,
or allow shop air to clear the clog
in the fuel lines.
Improper Electrical supply at
pump connector
If electrical supply is in proper
check electrical system.
In adequate fuel pump
pressure
IF fuel pump does not built
pressure then replace.
Clogged
or
faulty
fuel
injector(s)
Check fuel injector operation.
Replace as necessary.
Incorrect valve/ignition timing
Check timing system components
and repair or replace as
necessary.
Improper firing order
Check ignition system and fuel
injector connections. Rectify as
necessary.
Exhaust system / Catcon
damaged
Check and take corrective action.
MIL & SIL check
Check using diagnostic tool for
MIL & SIL. Take corrective action.
Engine misfires
Disconnected
or
leaking
vacuum line or vacuum leak at
inlet manifold
Inspect all vacuum lines and inlet
manifold. Repair or replace as
necessary.
Improper
grade
or
contaminated fuel
Rush fuel system with fresh, clean,
fuel of the correct type. Replace
fuel filter.
Faulty spark plugs, wires, or
ignition coil
Check ignition system components
for proper operation. Replace as
necessary.