Suzuki RA410 Manual page 255

Condition
Engine has no power
Improper engine
idling or engine fails
to idle
Possible Cause
Engine overheating
Ignition system out of order
Defective spark plug
Worn distributor terminals
Leaks, loose connection or disconnection of
high-tension cord
Fuel system out of order.
Fuel pressure out of specification
– Dirty fuel filter
– Dirty or clogged fuel hose or pipe
– Malfunctioning fuel pressure regulator
– Malfunctioning fuel pump
Engine and emission control system
out of order
Faulty EGR system (if equipped)
Faulty injector
Faulty TP sensor, ECT sensor or
MAP sensor
Faulty ECM/PCM
Low compression
Others
Dragging brakes
Slipping clutch
Ignition system out of order
Faulty spark plug
Leaky or disconnected high-tension cord
Worn distributor terminals
Cracked cap in distributor with leakage
inside
Fuel system out of order
Fuel pressure out of specification
– Malfunctioning fuel pressure regulator
Engine overheating
Engine and emission control system
out of order
Faulty idle air control system
Faulty evaporative emission control system
Faulty EGR system (if equipped)
Faulty injector
Faulty ECT sensor, TP sensor or
MAP sensor
Faulty ECM/PCM
Faulty A/C signal circuit
Faulty electric load signals circuit
Low compression
Others
Malfunctioning PCV valve
Reference Item
Refer to "Overheating" condition in this
table.
Spark plugs in SECTION 6F1.
Distributor in SECTION 6F1.
High-tension cords in SECTION 6F1.
Diag. Flow Table B-3 in SECTION 6E1.
Diag. Flow Table B-6 in SECTION 6E1.
Fuel injector in SECTION 6E1.
TP sensor, ECT sensor or MAP
sensor in SECTION 6E1.
Inspection of ECM/PCM and its
circuit in SECTION 6E1.
Previously outlined.
Diagnosis in SECTION 5.
Diagnosis in SECTION 7C.
Spark plugs in SECTION 6F1.
High-tension cords in SECTION 6F1.
Distributor in SECTION 6F1.
Distributor in SECTION 6F1.
Diag. Flow Table B-3 in SECTION 6E1.
Refer to Overheating condition in this
table
Diag. Flow Table B-4 in SECTION 6E1.
Diag. Flow Table B-6 in SECTION 6E1.
Diag. Flow Table B-5 in SECTION 6E1.
Fuel injector in SECTION 6E1.
ECT sensor, TP sensor or MAP
sensor in SECTION 6E1.
Inspection of ECM/PCM and its circuit
in SECTION 6E1.
Diag. Flow Table B-9 in SECTION 6E1.
Diag. Flow Table B-8 in SECTION 6E1.
Previously outlined.
PCV system inspection in SECTION
6E1.
ENGINE 6-11