Daewoo MATIZ Service Manual page 383

Step
1. Check for the proper valve timing.
2. Check the cylinder compression.
3. Inspect the pushrods, the rocker arms, the valve
springs, and the camshaft lobes for excessive
23
wear.
4. Inspect the intake manifold and the exhaust
manifold passages for casting flash.
Is the problem found?
Repair or replace any components as needed.
24
Is the repair complete?
Check the idle air control valve operation. Repair or
replace components as needed.
25
Is the repair complete?
Check the throttle position sensor circuit for proper
operation. Repair or replace components as needed.
26
Is the repair complete?
Repair the fuel system as needed.
27
Is the repair complete?
1. Turn the ignition OFF.
28 2. Replace the ECM.
Is the repair complete?
DAEWOO M-150 BL2
Hard Start (Cont'd)
Action
ENGINE CONTROLS 1F – 285
Value(s) Yes
–
Go to Step 24
–
System OK
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System OK
–
System OK
–
System OK
–
System OK
No
Go to Step 25
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