123 / | HD | INTERNAL-COMBUSTION ENGINES |
319 | DF | ENGINE SPEED REGULATOR {16} |
320 | DF | .~ Responsive to deceleration mode (e.g., engine acting as a brake) {7} |
325 | DF | .~.~ Deceleration responsive cutoff of fuel to engine (e.g., pollution control) {1} |
326 | .~.~.~ Rich resupply of fuel at end of deceleration |