ENGINE CONTROLS 1F–295
DAEWOO M-150 BL2
Cuts Out, Misses (Cont’d)
Step Action Value(s) Yes No
12
1. Repair or replace the faulty injector drive circuit
harness, the connector, or the connector terminal.
2. If the connections and the harnesses are good,
replace the Engine Control Module (ECM).
Is the repair complete?
–
System OK
–
13
Measure the resistance of each fuel injector.
Is the injector resistance within the value specified
(the resistance will increase slightly at higher
temperatures)? 11.6–12.4 Ω Go to Step 15 Go to Step 14
14
Replace any fuel injectors with a resistance that is
out of specifications.
Is the repair complete?
–
System OK
–
15
Perform an injector diagnosis.
Is the problem found?
–
Go to Step 16 Go to Step 17
16
Replace any restricted or leaking fuel injectors.
Is the repair complete?
–
System OK
–
17
1. Check for electromagnetic interference.
2. Monitor the engine rpm with a scan tool.
Does the scan tool rpm change greatly with little
change in actual engine rpm?
–
Go to Step 18
–
18
1. Inspect the routing of the ignition wires.
2. Inspect all of the ignition system grounds.
3. Correct the routing or repair the ground
connections as needed.
Are all checks and needed repairs complete?
–
System OK
–
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