System Specifications
Need a step-by-step guide?
Get an AI-powered repair guide with parts lists, cost estimates, and clear instructions for your 1991 Acura.
THROTTLE CABLE
Cable Deflection 10 to 12 mm (0.39 to 0.47 in.)
IDLE FUEL MIXTURE
At operating temperature 0.1%
COLD FAST IDLE SPEED
Engine temperature below 30 °C (86°F) 1100 to 1900 RPM
IDLE SPEED
At operating temperature 680 ±50 RPM
IGNITION TIMING
At 680 RPM 15 ±2° BTDC
COMPONENT TORQUE
EGR Valve fasteners 22 N-m (2.2 Kg-m, 16 lb.ft.)
O2 Sensor 45 N-m (4.5 Kg-m, 33 lb.ft.)
Catalytic Converter (TWC) fasteners 34 N-m (3.4 Kg-m, 25 lb.ft.)
Catalytic Converter (TWC) heat shield fasteners 26 N-m (2.6 Kg-m, 19 lb.ft.)