Engine - Suzuki Samurai 1986 Service Manual

2-1. ENGINE

Cond it ion
Poor starting
(Hard starting)
2-2
Possible cause
Starter will not run
1. Main
fuse blown off
2. Contact not closing in main switch, or this
switch open-circuited
3. Run-down battery
4. Defective magnetic switch of starter
5. Loose battery terminal connection
6. Defective brushes in starter
7. Loose battery cord connection
8. Open in field or armature circuit of starter
No sparking
1. Defective spark plug
2. High tension cord short-circuited (grounded)
3. Cracked rotor or cap in distributor
4. Defective signal generator or ignitor
5. Maladjusted signal rotor air gap.
6. Contact not closing positively in main switch,
or this switch open-circuited
7. Loose or blown fuse
8. Improper ignition timing
9. Defective ignition coil.
Faulty intake and exhaust systems
1. Carburetor out of adjustment
2. Fuel pump not discharging adequately
3. Clogged fuel filter
4. Defective choke mechanism
5. Loose intake manifold
6. Dirty and clogged carburetor
7. Float level out of adjustment
8. Clogged fuel hose or pipe
9. Not enough fuel in the tank
10. Malfunctioning fuel cut solenoid valve
Abnormal engine internal condition
1. Ruptured cylinder head gasket
2. Improper valve clearance
3. Weakened or broken valve spring
4. Loose manifold, permitting air to be
drawn in
5. Worn pistons, rings or cylinders
Correction
Replace
Repair or replace
Recharge
Replace
Clean and retighten
Replace
Retighten
Repair or replace
.
Adjust gap, or replace
Repair or replace
Replace
Replace
Adjust
Replace
Set right or replace
Adjust
Replace
Adjust
Replace
Clean, or replace
Repair or replace
Retighten
Disassemble and clean
Adjust
Clean or replace
Refill
Check solenoid valve for
proper operation and
replace if necessary
Replace
Adjust
Replace
Retighten and, as neces-
sary, replace gasket
Replace worn rings and
pistons and rebore as
necessary