Quantcast POOR ENGINE DECELERATION.

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TM 9-2815-226-341
Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)
MALFUNCTION
TES T OR INSPECTION
CORRECTIVE ACTION
14.
POOR ENGINE DECELERATION.
Step 1. Check for leaks in supply (suction) fuel lines to pump.
Tighten all line connectors.
Step 2. Check for restricted fuel lines.
Purge all lines.
Step 3. Check for damaged injector O-rings.
Replace O-rings (para 3-73).
Step 4. Check for excessive internal injector leakage.
Test and repair injector as necessary (para 3-75).
Step 5. Check for blown or leaking head gasket(s).
a.
Retorque head bolts (table 3-3 ).
b.
Replace defective gasket(s) (para 3-6 and 3-94).
Step 6. Check for defective or miscalibrated fuel pump (excessive throttle leakage).
Test and calibrate pump (para 3-84).
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