1990 MAZDA 232 check oil

TROUBLESl-lOOTING GUIDE F2
;TEP 1 INSPECT1ON
ACTION
13 Check if resistance of ignition coil 1s OK*
Yes Go to next step
Resistance (at 20°C iSS*FJ):
Primary coil winding . . . . . . . .
0.81~-0.99Q
Secondary coil winding,,.. 1 O--16 kR
PRIMARY COIL
WINDING SECONDARY COIL
WlNDlNG
NO Replace
14 Check for correct engine compression”
Yes Gc to next step
1 Engine compression (Minimum):
785 kPa (8.0 kg/cm , It4 psi)-300 ipm
NO Check engine condition” l Worn piston, piston rings or cylinder
wall
l Defective cylinder head gasket l Distorted cylinder head l Improper valve seating
*Valve sthing in guide
15 Change fuel and check if acceleration improves
Yes Change fuel to another brand
NO
Go to next step
16 Check if NC cut-off control system is OK’
Yes Go to next step
No Repair or replace
17
I Try known good ECU and check if condition
improves
* Refer to 323 Workshop Manual [1203-IO-89F (Europe) or i204-IO-89F (Australia)].
93GOF2-747
F2-39

F2 TROUBLESHOOT1NG GUIDE
25 HIGH OIL CONSUMPTION [BP TURBO]
DESCRIP- 1
l Oil consumption excessive
TION l Exhaust gas white
TROUBLESHOOTING HINTS1
a PCV system malfunctton *
@ Englne malfunction (Oil
working up, working down, or leakage)
3 Oil leakage from turbocharger
ZEP [ INSPECTION Repair or
replace 1 Check if PCV hose, ventilation hose or their at-
taching nipples are separated, damaged,
ciogged, or restricted 2
Check insrde of air hose, air pipe, and intercool-
er for excesstve oil
3 1 Check white exhaust gas visible when ventilation
1 hose or PCV hose removed
1
4 Remove turbocharger and check at oil seals of
compressor and turbine shafi for oil leakage Yes
NO Yes
NO Yes
No Check hoses for clogged
Yes Replace turbocharger
NO
ACTION
Go to next step
Possibly oil working up
Check PCV valve and PCV hose for
clogged
+ If OK, go to next step
e If not UK, repalr or replace
Go to next step
Go to next step
Engine malfunction (Oil working up,
working down, or leakage)
Check foltowing
. Worn piston or cyiinder
l Worn piston ring groove’ l Stuck piston rings* l Worn vatve seal* l Worn valve stem * l Worn vatve guide’
* Refer to 323 Workshop Manual [1203-IO-89F (Europe) or 1204-IO-89F (Australra)].
93GOF2-74:
FZ-42