MPI <4G1> -
Troubleshooting
13A-50
OK
Check the ignition timing.
(Refer to GROUP 11B - On-vehicle Service.)
NG
Check that the distributor is installed properly.
OK
Check the following items.
D
Check the ignition coil, spark plugs, spark plug cables. (Refer to GROUP 16 - On-vehicle Service.)
D
Check if the injectors are clogged.
D
Check the compression pressure. (Refer to GROUP 11B - On-vehicle Service.)
D
Check if foreign materials (water, alcohol, etc.) got into fuel.
OK
MUT-
II
Data list
28 A/C switch (Refer to P.13A-67.)
NG
Check the A/C switch and A/C relay system.
(Refer to P.13A-62, INSPECTION PROCEDURE 29.)
OK
MUT-
II
Data list
45 ISC servo position (Refer to P.13A-68.)
NG
Adjust the basic idle speed. (Refer to P.13A-78.)
From previous page
OK
MUT-
II
Data list
11 Oxygen sensor (front)
OK:
Changes between 0 - 400 mV and 600 - 1,000 mV during
idling
NG
Check the fuel pressure.
(Refer to P.13A-78*.)
OK
1. Inspect the intake of
air into the air intake
system.
D
Broken intake man-
ifold gasket
D
Broken vacuum hose
D
PCV valve does not
operate.
D
Broken air intake hose
2. Check the injector for
clog.
OK
MUT-
II
Data list
27 Power steering fluid pressure switch (Refer to P.13A-67.)
NG
Check the power steering
fluid pressure switch sys-
tem. (Refer to P.13A-61,
INSPECTION PROCE-
DURE 28.)
NOTE:
*: Refer to the ’96 COLT/LANCER Workshop Manual (Pub. No. PWME9511).