1994 Ford Bronco 5.0L Emissions Label - Vacuum Hose Routing & Timing Specs

This is a Ford Motor Company Vehicle Emission Control Information (VECI) underhood label for a 1994 model year 5.0L gasoline engine light-duty truck (uploaded to a 1994 Ford Bronco gallery). The label states the vehicle is equipped with electronic engine control systems and that idle speed, idle mixture, and ignition timing are not adjustable, referring readers to the Powertrain Control/Emissions Diagnosis Manual. It provides a five-step procedure for checking base ignition timing: turn off the engine, disconnect the in-line SPOUT connector, restart the warmed-up engine, verify timing is 10° BTDC, then shut off the engine and reconnect. Oil recommendation is SAE 10W-30 API-certified oil for gasoline engines. The label certifies EPA compliance for 1994 model year light-duty trucks with curb weight over 3,450 pounds. Tune-up data includes spark plug ASF-42C with a gap of.052-.056 inch, calibration identifiers RFM1045AYM0A and RFM5.888GBJA, and emission equipment codes OC/TWC/AIR/HO2S/EGR/SFI. Label part number is F4AE-9C485-KSP (Catalyst). The right side shows a color-coded vacuum hose routing diagram with components including the FPRC, air bypass/diverter (AIR B/AIR D), carbon canister, EGR, throttle body, manifold vacuum, vacuum reservoir (VRESER), and fuel tank connections.