PROBLEM PARTS, ETC.
I
POSSIBLE CAUSE
Engine control system <Ref.
to
EN(D0HC TURBO)-2, Basic Diagnostic Procedure.>
RANK
A
Defective PCV valve
Loosened oil filler cap
Dirty air cleaner element
Defective fuel Dump and relav
B
B
A
B
Defective timing
Incorrect valve clearance
Loosened spark plugs or defective gasket
Loosened cvlinder head bolts or defective aasket
B
B
B
B
~~
Incorrect oil pressure IB
Worn or broken valve spring
Worn or stuck piston rings, cylinder and piston
Incorrect valve timing
Improper enaine oil (low viscositv)
B
C
A
B
~
Cooling system Overheating IC
Over
coolina
IC
Others
Engine control system <Ref.
to
EN(D0HC TURBO)-2, Basic Diagnostic Procedure.>
I
Malfunction of evaporative emission control system
Intake system
Loosened or cracked intake duct
Loosened or cracked PCV hose
A
A
A
A
Fuel line
Defective throttle body gasket B
Defective PCV valve B
Loosened oil filler cap B
Dirty air cleaner element B
Defective fuel pump and relav B
Belt
Compression
Lack of or insufficient fuel C
Defective timing B
Incorrect valve clearance B
Loosened spark Dluas or defective aasket C
ENGINE TROUBLE IN GENERAL
MECHANICAL
Intake system Loosened or cracked intake duct
Loosened or cracked PCV hose
IA
/A
FLoosened or cracked vacuum hose
IB
I
Defective intake manifold gasket
IB
I
Defective throttle body gasket
IB
Fuel line
1
Cloaaed fuel line
IB
I
Lack of or insufficient fuel
IC
Belt
Compression
I
Improper valve seating
IB
I
Defective valve stem
IC
Lubrication svstem
I
Loosened or cracked vacuum hose
IA
I
Defective intake manifold gasket
IB
1
Clogged fuel line
IB
1
Loosened cylinder head bolts or defective gasket
I
C
I
Improper valve seating
IC
Defective valve stem
Worn or broken valve spring
Worn or stuck piston rings, cylinder and piston
Incorrect valve timing A
Improper enaine oil (low viscositv) B
~~
Coolina svstem
I
Overheating
Others
I
Malfunction of evaporative emission control system
I
C
ME(D0HC
TURB0)-93
To Next Page
Loading...
