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1.2L REVOTRON ENGINE
10
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.
Incorrect crank angle signal.
Check sensor gap and adjust to
1.0 ± 0.4mm
Improper firing order
Check ignition system and fuel
injector connections. Rectify as
necessary.
Fuel filter if clogged.
Replace the fuel filter.