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a
EFI SYSTEM
-
Troubleshooting
SYMPTOM
- ROUGH IrIiLlNG AND/OR
MISSING
iECK DIAGNOSIS
SYSTEM
leek for output
of diagnostic
code.
ee page FI-26)
1
-c Diagnostic
code(s)
(See pages FI-30, 31, 32)
Malfunction
code(s)
Normal code
HECK FOR VACUUM
LEAKS
d-FAKE LINE
I
If*
"K AIR FILTER ELEMENT
Element
- Clean or replace
I
I
1, Oil filler cap
2. Oil level gauge
3. Hose connections
4. PCV hose
5. EGR system
- EGR vaive stays open (EGR)
OK
CHECK IDLE SPEED
STD:
7M-GE
w/
TWC
700 rpm
7M-GE
w/o TWC
800 rpm
7M-GTE
800 rpm
OK
,
BAD
SC system
(1) Wiring
connection
(2) ISC valve
(3) ECU
CHECK IGNITION
TIMING
1, Short terminals
T(MA) or TEI (MS) and
El of the check connector.
2. Check ignition timing.
STD:
IO" BTDC @ Idling
w/ short circuited
T(MA)
I TEl(MS1
- El
NO
F Adjust
ignition
timing.
(See page EM-l 7)
i
OK
'.
7
I
CHECK SPARK PLUGS
Plug gap:
7M-GE
Converitional
Tipped
Type
0.8 mm (0.031
in.)
7M-GE
Platinum
Tipped
Type
1.1 mm (0,043
in.)
7M-GTE
0.8 mm (0.031
in.)
NOTE:
Check compression
pressure
and
valve clearance
if necessary.
OK
CONTINUED
ON PAGE FI-19
BAD
1. Spark plugs
2. Compression
pressure
Limit:
9.0 kg/cm2
(128 psi, 883 kPa)
at 250 rpm
3. Valve clearance
(Cold)
STD:
IN
0.15
- 0.25
mm
(0.08
- 0.010
in.)
EX 0.20
- 0.30 mm
(0.008
- 0.012
in.)
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Table of Contents
Troubleshooting
