Daewoo MATIZ Service Manual page 397

Step
1. Inspect for vacuum leaks.
2. Check for proper Positive Crankcase Ventilation
(PCV) operation.
24
3. Check the Idle Air Control (IAC) valve operation.
4. Inspect the ECM ground connections.
Is the problem found?
Repair or replace any components as needed.
25
Is the repair complete?
1. Check the Electric Exhaust Gas Recirculation
(EEGR) valve for proper operation.
2. Inspect the battery cables and the ground straps
for proper connections.
26
3. Check the generator voltage output. Repair or
replace the generator if the voltage output is not
within the value specified.
Is the problem found?
Repair or replace any components as needed.
27
Is the repair complete?
1. Inspect for broken engine mounts.
2. Check for proper valve timing.
3. Perform a cylinder compression test.
4. Inspect for bent pushrods, worn rocker arms,
28
broken or weak valve springs, and a worn
camshaft.
5. Perform repairs as needed.
Are all of the checks and needed repairs complete?
DAEWOO M-150 BL2
Rough, Unstable, or Incorrect Idle, Stalling (Cont'd)
Action
ENGINE CONTROLS 1F – 299
Value(s) Yes
–
Go to Step 25
–
System OK
12–16 V Go to Step 27
–
System OK
–
System OK
No
Go to Step 26
–
Go to Step 28
–
–