Honda Civic Service Manual page 439

I
l l
t
NOTE: lf there is no freeze data of mis_
firing, test drives under various condi
tions are necessary.
( F r o m p a g e 1 1 ' 1 6 8 )
Intermittent misfire due to spark
plug fouling, etc. (firing is OK ar
this time).
ls DTC P0301, P0302, P0303,
or P0304 indicated?
Does the misfire occur in the
other cylinder?
Replace the faulty spark plug.
Check for fuel iniector mallunc-
l | o n :
1 . E x c h a n g e t h e f L r e l i n j e c t o r
f r o m t h e p r o b l e m c y l i n d e r
w i t h o n e f r o m a n o t h e r c y l i n
d e r .
2 . L e t t h e e n g i n e i d l e f o r t r r v o m i n -
utes.
3 . T e s t - d r i v e t h e v e h i c l e s e v e r a l
times in the range ot the freeze
d a t a .
lntermitt€nt mistire due to bad
contact in the fuel iniector con-
nector (firing is OK at this time).
ls DTC P0301, P0302, P0303,
or P0304 indicated?
Does the mistire occur in the
other cylinder?
Replace the taulty fuel injector.
Check lhe following items:
. Cylinder leak-down
. Compression
. Crankshatt speod tluctuation
{CKF) sensoi
1 1 - 1 6 9