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1.2L REVOTRON ENGINE
8
2. Troubleshooting:
Starting Problems
Condition
Possible Cause
Remedy
Engine does not
crank
Insufficient battery voltage/charge
test battery and charging system.
Clean and tighten battery connections.
Jump start engine.
Battery or charging system component
faulty. Replace as necessary.
Engine starter motor defective.
Repair or replace starter as necessary.
Immobilizer system defective.
(as equipped)
Inspect system and repair as necessary.
Engine components seized.
Inspect engine components for seizure.
Attempt to rotate crankshaft by hand.
Overhaul engine as necessary.
Engine cranks but
does not start
Obstructed air filter or air inlet.
Clean or replace air filter or inlet.
Incorrect valve/ignition timing or
timing belt broken.
Check timing system components and
repair or replace as necessary.
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.
Clogged or faulty fuel filter, fuel
regulator, fuel line or fuel pump.
Check fuel system components, repair or
replace as necessary
Clogged or faulty fuel injectors
Check fuel injector operation. Replace as
necessary.
Improper firing order
Check ignition system and fuel injector
connections. Rectify as necessary.
Inertia switch tripped or defective.
Reset or replace as necessary.
Engine Idle Problems
Condition
Possible Cause
Remedy
Engine Starts but
does not idle
Faulty ETC unit.
Perform Diagnosis test. 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.