Mazda 121 Workshop Manual page 216

F
TROUBLESHOOTING GUIDE
It{SPECTTON
acflo1{
7
Connect System Selecto! to diagnosjs connector
and ser Test Swnch to SELF TEST
ls ionition tminq co(ect at idle ajt€r wafm_up?
.r gage F-t62
INDICATOR
Go to nexl slep
NO
I
ls lu€] line oressurc conect al idl€?
'
s P.ge F-94
23s-274 kPa 12.4-2.a xg/cm' , 3l-40 p€l)
Hlgh Pressu.€
check if vacuum hose lo pressure
rcgulalor is damaged ot poorly con-
+
lf OK, replace pressure regulalor F page F-94
4
ll nol OK, repat or replace hos€
9
Run engin€ at idle and lhen stop engme
ts fuel lin€ pressure hold?
c7 Pege F-84
Fuel llnc Drcasure: More than 147 kPa
(1.s kgr'cn" 21 p3l) lof 5 min,
No
Check injectofs for tu€l leakage
e page F-96
1 0 Change Juel to another brand
F-60