Mazda 121 Workshop Manual page 232

F
SELF.DIAGNOSIS FUNCTION
STEP
INSPECTION
acTtolr
6
ls tuel line pressure at idle conecf
r7 P.ge F-94
Fuel line Dressure:
235-274 kPa 12.4-2,a kg/cm', 34-40 psD
(vacuum hose lo pr€*sune regulalor
No
Check iuel line pressr.rre whil€ pinch
a
I luel line pressurc quckly in-
creases, check pressure regulator t7 Page F-95
.t
lf iuel line pressure gradually in
creases. check ior clogging be_
tween iuel pump and pressure
lf not clogged, check luel PUmP
maximum pressure
F Peg€ F-91
7
ls ihe.e air leal€ge in intake a I system com_
Go ro Step 10
8
Was misfire lound in Slep 5 oJ inspection?
Repair or replace ignitlon system
9
b ;me Code No. presert iollowing pedorming
atter-rcpair procedurc?
c7 Pege F--67
Go to noxl slep
N O
1 0 Try known good ECUI does condition imprcve?
o page F-112
F-76