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Home >> Ford >> 1991 >> Mustang L4-140 2.3L SOHC >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Emission Control Systems >> System Specifications
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System Specifications

IDLE SPEED
Automatic Transmission (PARK) 650 RPM +/- 150 RPM
Manual Transmission (NEUTRAL) 600 RPM +/- 150 RPM

TORQUE VALUES
Catalytic Converter Flange Bolts 20-30 lb-ft (27-40 Nm)
Catalytic Converter Heat Shield Screws 50-70 lb-in (5.6-7.9 Nm)
Charcoal Canister Retaining Bolts 4-6 lb-ft (4-6 Nm)
Canister Mounting Bracket Bolts 6-9 lb-ft (8-12 Nm)
EGR Valve to Intake Manifold Bolts 12-18 lb-ft (16-24 Nm)
Manifold Vacuum Fittings (Teflon) 6-10 lb-ft (8-14 Nm)
Throttle Body Air Bypass Valve 6-9 lb-ft (8-11 Nm)