Mazda 323 1988 Workshop Manual page 91

IB
TROUBLESHOOTING GUIDE
Problem
Insufficient DOY
Abnormal
combustion
Engine noise
-
ter
Possible Cause
Insufficient compression
Malfunction of HLA
Compression leakage from valve seat
Seized valve stem
Weak or broken valve spring
Failed cyl,inder head gasket
Cracked or distorted cylinder head
Sticking, damaged, or worn piston ring
Cracked or worn piston
MaltunctIon of fuel svstem
Others
Slipping clutch
Dragging brakes
Wrong size tires
Malfunction of engine-related components
Malfunction of HLA
Sticking or burned valve
Weak or broken valve spring
Carbon accumulation in combustion chamber
Malfunction of fuel system
Crankshaft or bearing related parts
Excessive main bearing oil clearance
Main bearing seized
or heat-damaged
Excessive crankshaft end play
Excessive connecting rod bearing oil clearance
Connectina rod bearina seized or heat-damaaed
Piston ralated parts
Worn cylinder
Worn piston or piston pin
Seized piston
Damaged piston ring
Bent connectina rod
Valves or timlng related parts
Malfunction of HLA*
Broken valve spring
Excessive valve guide clearance
Malfunction of timing belt tensioner
Malfunctlon of coolino svstem
Malfunction of fuel system
Others
Malfunction of water pump bearing
Improper drive-belt tension
Malfunction of alternator bearing
Exhaust gas leakage
Remedy
ReplaCe
Repair
Replace
Replace
Replace
Replace
Replace
Replace
Refer to Section 48
Refer to Section 6
Refer to Section 11
Refer to Section 12
Replace
Replace
Replace
Eliminate carbon
Refer to Section 48
Replace or repair
Replace
Replace or repair
Replace or repair
Replace
Replace or repair
Replace
Replace
Rl?pl.We
Replace
___~
Replace
Replace
Replace
Ftf3piC3
Refer to Section 3B
Refer to Section 46
Replace
4djust
Replace
Repair
Page
1 B-60
1 B-39
1 B-37
I B-40
18-15
1 B-36
1 B-46
1 B-46
1 B-60
1 B-37
1 B-40
-
1 B-54
1 B-53
1 B-54
1 B-55
78-55
1 B-44
3-45, 41
1 B-45
1 B-46
1 B-47
1 B-60
1 B-40
1 B-37
1 B-49
-
1 B-6
-
1 B-36
* Tappet noise may occur if the engine is not operated for an extended period of time. The noise should disappear after
the engine has reached normal operating temperature.
83"01E%OO4
1 B-4