1993 Cadillac Eldorado Owner's Manual - Page 143

Tachometer - Analog Cluster \ \ \ \ '4 2 d r 5 This gage indicates the engine speed in Revolutions Per Minute (RPM). "1 . ~~ . -. NOTICE: Do not operate the engine with the tachometer in the red area, or engine damagemay occur. I Engine SpeedLimiter (4.6L Northstar) If you have the 4.6L Northstar engine, you have an Engine Speed Limiter. This feature prevents the engine from operating at too many revolutions per minute (RPM). When your engineRPM,'s are critically high the fuelsupply to the engine shut off. When the engine speed is slows, the fuel supplywill come onagain. This helps prevent damage to the engine. Vehicle SpeedLimiter 4.6 L (270 hp) This feature prevents your vehicle from exceeding speeds thatyour tires are not rated for. When happens your engine's fuel supply is shut off. this When thevehicle speed slows, the fuel supply will come onagain. 129