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ENGINE
ITioo] 2-3
TROUBLE No .
POSSIBLE CAUSE
1
2
3
4
5
6
7
8
9
10
11
12
13
INTAKE SYSTEM
0
0
O
0
0
O
0
0
O
0 Improper idle adjustment .
0
O
O
O
L
O
* Loosened or cracked intake boot .
0
O
O
O
L
O
e Loosened or cracked intake duct.
O
O
O
L
O
0
e Loosened or cracked blow-by hose.
O
0
O
O
0
O
0 Loosened or cracked vacuum hose .
0
0
O
O
0 Defective air cleaner gasket.
O
0
0
0
0
O
* Defective intake manifold gasket.
0
0
0
0
0
O
* Defective throttle body gasket.
d
0
0
0
0
0
* Defective PCV valve .
0
0
0
L
0
L
e Loosened oil filler cap .
O
0
0
O " Dirty air cleaner element.
FUEL LINE
O
D
L
0
0
e Defective fuel pump .
O
D
d
0
0
e Clogged fuel line .
0
0
0
0
L
e Lack of or insufficient fuel .
BELT
0
0
0
e Defective.
0
0
0
L
0
0
0
0
0
0 Defective timing .
FRICTION
d
Seizure of crankshaft and connecting-rod bearing .
D
Seized camshaft.
D
Seized or stuck piston and cylinder .
COMPRESSION
D
D
L
0
0
0
0
L
0
e Worn or broken lash adjuster.
0
L
0
0
L
L
L
0 Loosened spark plugs or defective gasket.
0
0
A
L
L
9 Loosened cylinder head nuts or defective gasket .
D
D
A
0
0
A
0
0
0 Improper valve seating.
O
D
L
L
IL
IL
L
O
L
e Defective valve stem .
0
0
0
0
0
IL
L
A
e Worn or broken valve spring .
0
L
L
0
0
* Worn or stuck piston rings, cylinder and piston.
0
0
0
0
O
O
O
0
0
" Incorrect valve timing .
0
0
O
0
0
0
9 Improper engi ne oil (low viscosity) .
1
2 i 3
4
5
6
7
8
9
10
11
12
13
77
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Table of Contents
Troubleshooting
