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