User's Manual

8-2
TRBL
SHTG
INCORRECT ENGINE IDLING SPEED/POOR MEDIUM-
AND-HIGH-SPEED PERFORMANCE
EAS00847
INCORRECT ENGINE IDLING
SPEED
ENGINE
Cylinder and cylinder head
8Incorrect valve clearance
8Damaged valve train components
Air filter
8Clogged air filter element
FUEL SYSTEM
Throttle body
8Damaged or loose throttle body joint
8Improperly ISC (idle speed control) valve
8Improper throttle cable free play
8Flooded throttle body
ELECTRICAL SYSTEMS
Battery
8Discharged battery
8Faulty battery
Spark plug
8Incorrect spark plug gap
8Incorrect spark plug heat range
8Fouled spark plug
8Worn or damaged electrode
8Worn or damaged insulator
8Faulty spark plug cap
Ignition coil
8Faulty spark plug lead
Ignition system
8Faulty ECU
8Faulty crankshaft position sensor
EAS00848
POOR MEDIUM-AND-HIGH-
SPEED PERFORMANCE
Refer to “STARTING FAILURE/HARD START-
ING”.
ENGINE
Air filter
8Clogged air filter element
FUEL SYSTEM
Throttle body
8Faulty diaphragm
Fuel pump
8Faulty fuel pump
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