Engine Will Not Start - Subaru EX13 Service Manual

ENGINE WILL NOT START

Engine does not start
None or Weak
Check engine
spark
None or Weak
Good
None or Weak
Possible
Fuel system
problems
Possible
Possible
Possible
None
Compression or
core component
problems
Leaking at cylinder head
Leaking at valves
Spark plug improperly
gapped, dirty or fouled
or defective
Wiring damaged
Ignition coil - wrong gap
to flywheel or defective
Leaking gaskets at
throttle body or spacer
(insulator)
Poor fuel quality or water
in system
Hoses for fuel supply, return
or pump pulse restricted
or leaking
Throttle body clogged or
damaged
Loose spark plug
Loose head bolts
Bad head gasket
Worn piston, rings or
cylinder head
Check or reset
valve clearances
Improper contact
at valve and seat
Valve stuck in
guide
Check for condition of cam,
chain and rockers
-18 -
Clean, regap or replace
as necessary
Repair of replace
Repair of replace
Replace
Flush and/or refill
Clean or replace
Clean or replace
Tighten
Retorque
Replace
Repair
Repair
Repair
Repair as required