TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE OPERATES ERRATICALLY (Continued)
a.
Remove the spark plug wire and test it with a volt-ohmmeter.
(1)
Attach a meter lead to each end of the spark plug wire.
(2)
If the meter reads below 40 k ohms (40,000), go to Step 4.
(3)
If the meter reads steadily above 40 k ohms, replace the wire and go to Step 3b.
(4)
Wiggle the wire back and forth. If the meter fluctuates up and down, there is a break in the wire.
Replace the wire and go to Step 3b.
b.
Start the engine.
(1)
If the engine starts, the problem is solved.
(2)
If the engine does not start, go to Step 4.
Step 4.
Check the coil.
Figure 5-150. Engine Coil Location
a.
Check the coil visually.
(1)
If the coil is cracked or broken, replace it and go to Step 4e.
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