V 2500 P/U 4WD V8-350 5.7L (1987)
Engine Control Module: Component Tests and General Diagnostics
Chart C-9A - ECM QDR Check Procedure
Checking Control Module For Bad Solder Joints
Some control module's may have problems due to cracked solder joints on the circuit board. These internal control module problems can cause the
following symptoms:
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Failure to start or vehicle is stalling.
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The "CHECK ENGINE" "SERVICE ENGINE SOON" or "MALFUNCTION INDICATOR" light will flash or light up, but no trouble codes
