Suzuki Jimny Service Manual page 432

Step
7 Check EVAP Canister Purge Valve for Closing.
1) Disconnect purge hose (1) from EVAP canister.
2) Place finger against the end of disconnected hose.
3) Check that vacuum is not felt there, when engine is
cool and running at idle. See Fig. 7.
Is vacuum felt?
8 Check manifold absolute pressure sensor for perfor-
mance (See step 4) DTC P0105 Diag. Flow Table).
Is it in good condition?
9 Check engine coolant temp. sensor for performance
(See Section 6E).
Is it in good condition?
10 Check parts or system which can cause engine rough
idle or poor performance.
• Engine compression (See Section 6A1).
• Valve lash (See Section 6A1).
• Valve timing (Timing belt installation. See Section
6A1).
Are they in good condition?
CAUTION:
For iridium spark plugs, do not adjust air gap or clean.
[A] Fig. 1 for Step 3 / [B] Fig. 2 for Step 3 / [C] Fig. 3 for Step 4 / [D] Fig. 4 for Step 5 / [E] Fig. 5 for Step 4
3. Fuel delivery pipe
4. Fuel feed hose
3. Fuel pressure gauge & 3 way joint
Action
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-75
Yes
Check EVAP control
system
(See Section 6E).
Go to Step 9.
Go to Step 10.
Check wire harness
and connection of
ECM ground, ignition
system and fuel injec-
tor for intermittent
open and short.
No
Go to Step 8.
Repair or replace.
Replace engine
coolant temp. sen-
sor.
Repair or replace.