Mazda 121 - Page 208

F
TROUBLESHOOTING
GUIDE
t sPEcflot{
ACTION
1( Change
luel
and
check if acc€leralion
mproves
Change
luel
!o another brand
Go 10 nexl
step
11 Chock
for corr€ct
engine
comprcssion
e
Page
B-10
Engine
compr$3lon
(ulnimum):
1.030
kP.
(t0.5
kgL/cm',
149
p3lF30O
rpn
Tfy known
good
ECU and
check
il
engine
condltion
improves
NO Check
€ngne condition
17
Page
a-10
.Worn piston, pisloo
rings
or cvlinder
.Defective
cylinder
head
gasket
.
Di$oned
c''linder
head
.lmpropet
valve seatmg
.valve
sticking
in
guide
F-52