Honda Civic 1998 Service Manual page 296

/
NOTE| It there is no lreeze data of mis
f;ring, test drives under various condi
tions are necessary,
T
{From page 11-106}
Intermittent mistire due to spark
plug fouling, etc- lfiring is OK al
this timel.
ls DTC P0301, P0302, P0303,
or P0304 indicated?
Does the misfire occur in the
other cylinder whose spark plug
was exchanged?
Replace lh6 faulty spark plug.
Ch6ck for fuol injector malfunc-
tion:
1 . E x c h a n g e t h e f u e l i n i e c t o r
t r o m t h e p r o b l e m c y l i n d e r
with one lrom another cylin'
der,
2. Let the engine idle for two min-
utes,
3. Test drive the vehicle several
times in the range ot the freeze
data.
Inte.mittont misfiro due to bad
contact in the fuel injector con-
necto.lfiring is OK at this time).
ls DTC P0301, P0302, P0303,
or P0304 indicated?
Does the mislire occur in the
other cylinder whose fuel injector
was exchanged?
R€plac€ the faulty luel iniector.
Chock following items
-
Cylinder leak{own
-
Comoaession
-
Crank3heft soeed fluctuation
ICKFI 3ensor
11 -1 07