Toro 70171 - Troubleshooting

46
Troubleshooting
PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION
Starter does not crank 1. Deck engagement lever is in
ENGAGE.
1. MOVE DECK
ENGAGEMENT LEVER
ENGAGE.
2. Batter
y
is dead.
ENGAGEMENT LEVER
INTO DISENGAGE.
2. Char
g
e the batter
y
.
2
.
Battery
is
dead
.
3. Electrical connections are
corroded or loose
2
.
Charge
the
battery
.
3. Chcek electrical connections
for good contact
corroded
or
loose
.
4. Transaxle is in gear.
for
good
contact
.
4. Position shift lever in neutral.
5. Relay or switch is defective. 5. Contact Authorized Service
Dealer.
Engine will not start, starts hard, or
fails to keep running.
1. Fuel tank is empty.
2Chki tON
1. Fill fuel tank with gasoline.
2M hkl tON
fails
to
keep
running
.
2. Choke is not ON.
3. Air cleaner is dirt
y
.
2. Move choke lever to ON.
3. Clean or re
p
lace air cleaner
3
.
Air
cleaner
is
dirty
.
4. Spark plug wire is loose or
disconnected
3
.
Clean
or
replace
air
cleaner
element.
4 Install wire on spark plug
di
sconnec
t
e
d
.
5. Spark plug is pitted, fouled, or
4
.
I
ns
t
a
ll
w
i
re on spar
k
p
l
ug.
5. Install new, correctly gapped
ppgp , ,
gap is incorrect.
6 Spark plug gap is incorrect
,ygpp
spark plug.
6 Set gap to 0 030
”
( 76 mm)
6
.
Spark
plug
gap
is
incorrect
.
7. Dirt, water, or stale fuel is in
fl
6
.
Set
gap
to
0
.
030”
(
.
76
mm)
.
7. Contact Authorized Service
Dl
fuel system.
8. Battery is dead.
Dealer.
8. Charge the battery.
8
.
Battery
is
dead
.
9. Vent hole in fuel tank cap is
pl gged
8
.
Charge
the
battery
.
9. Clean or replace the fuel cap.
plugged.
10. Carburetor is ad
j
usted
10. Ad
j
ust the carburetor.
10
.
Carburetor
is
adjusted
incorrectly.
11 Module or switch is defective
10
.
Adjust
the
carburetor
.
11 Contact Authorized Service
11
.
M
o
d
u
l
e or sw
it
c
h
i
s
d
e
f
ec
ti
ve.
11
.
C
on
t
ac
t
A
u
th
or
i
ze
d
S
erv
i
ce
Dealer.
12. Spark plug is loose. 12. Tighten plug to 15 ft–lb (20.4
N–m).
Engine does not idle or idles
poorly
1. Air cleaner is dirty.
2 Idl d i t l
1. Clean air cleaner element.
2 Adj t th b t
poorly
2. Idle speed is too low.
3. Dirt
,
water
,
or stale fuel is in
2. Adjust the carburetor.
3. Contact Authorized Service
3
.
Dirt
,
water
,
or
stale
fuel
is
in
the fuel system.
4 Spark plug is pitted fouled or
3
.
Contact
Authorized
Service
Dealer
4 Install new correctly gapped
4
.
S
par
k
p
l
ug
i
s p
itt
e
d
,
f
ou
l
e
d
or
defective in some other way.
4
.
I
ns
t
a
ll
new, correc
tl
y gappe
d
spark plug.