MPI <4G9> -
Troubleshooting
13A-141
OK
Check the following items.
D
Check the ignition coil, spark plugs, spark plug cables.
D
Check the compression pressure.
D
Check the fuel filter or fuel line for clogging.
D
Broken air intake hose
D
Clogged air cleaner
OK
Check the fuel pressure. (Refer to P.13A-78*.)
OK
1. Inspect the intake of
air into the air intake
system
D
Broken intake
manifold gasket
D
Broken vacuum
hose
D
PCV valve does
not operate.
D
Broken air intake
hose
2. Check the injector for
clog.
NG
Check the fuel pressure.
(Refer to P.13A-78*.)
OK
MUT-
II
Data list
11 Oxygen sensor
OK:
Changes between 0 - 400 mV and 600 - 1,000 mV during
idling
From the previous page
NOTE:
*: Refer to the ’96 COLT/LANCER Workshop Manual (Pub. No. PWME9511).