
6-4
DIAGNOSTIC TROUBLESHOOTING
6
Excessive fuel consumption.
Fouled spark plug(s).
Check spark plugs. (See “Spark Plugs” on
Faulty ignition coil.
Check ignition coils. (See “Ignition Coils”
Faulty fuel injector.
Check fuel injectors. (See “Injectors” on
Valve clearance adjustment.
Check valve clearance. (See “Valve
Clearance Check and Adjustment” on
page 5-3.)
Vacuum leak.
Check intake manifold vacuum. (See
“Intake Manifold Vacuum Test” on
page 5-2.)
Throttle body gasket leaking air.
Check throttle body and gasket. (See
Faulty throttle position sensor.
Check throttle position sensor. (See
“Throttle Position Sensor” on page 7-3.)
Incorrect fuel.
Use proper fuel.
Faulty oxygen sensor.
Check oxygen sensor. (See “Oxygen
Restricted air cleaner element.
Check air cleaner element.
Excessive oil consumption.
External oil leak.
Check drain plug.
Check oil pan for leaks.
Check rear main crankshaft seal for leaks.
Check front cover crankshaft seal for
leaks.
Check front cover for leaks.
Check oil pressure sending unit for leaks.
Check oil filter for leaks.
Check cam cover for leaks.
Internal oil leak.
Check valves and seals. (See “Valves” on
Check PCV valve. (See “PCV Valve” on
Check piston rings/cylinder compression.
(See “Cylinder Compression Test” on
page 5-6.)
Check cylinder head and gasket. (See
“Cylinder Head” on page 7-24.)
Low oil pressure.
Incorrect engine oil.
Change engine oil. (See “Change Engine
Low oil level.
Check oil level. (See “Engine Oil Level” on
Restricted oil filter.
Change oil filter. (See “Oil Filter” on
Faulty oil pump relief valve.
Check oil pump relief valve. (See “Oil
Faulty oil pump.
Replace oil pump. (See “Oil Pump” on
Restriction in lubrication system.
Check/clean lubrication system. (See
“Lubrication System” on page 4-11.)
Condition
Probable Cause
Remedy
Содержание K6A-YH6
Страница 6: ...1 2 SAFETY 1 Page Intentionally Blank...
Страница 22: ...2 12 SPECIFICATIONS AND GENERAL INFORMATION 2...
Страница 26: ...3 4 MAINTENANCE 3...
Страница 54: ...6 6 DIAGNOSTIC TROUBLESHOOTING 6...
Страница 102: ...7 48 REPAIR 7...
Страница 103: ...8 8 1 Chapter 8 Tools and Materials Special Tools 8 1 Required Materials 8 2...
Страница 106: ...8 4 TOOLS AND MATERIALS 8...
Страница 112: ...IX 6 INDEX IX...