Revotron 1.2T
13
Poor acceleration or low power
Insufficient
battery
voltage/charge - test battery
and charging system
•
Clean
and
tighten
battery
connections
•
Battery or charging system
component faulty. Replace as
necessary.
Obstructed air filter or air inlet
•
Clean or replace air filter or inlet.
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.
Improper
valve
tappet
clearances
•
Check and adjust 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
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.
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.
Improper
valve
tappet
clearances
•
Check and adjust as necessary.
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
1.4 ± 0.4mm
Improper firing order
•
Check ignition system and fuel
injector connections. Rectify as
necessary.
Clogged or faulty fuel
injector(s)
•
Check fuel injector operation.
Replace as necessary.
