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Fig. 1: Testing Canister Purge Solenoid
Courtesy of FORD MOTOR CO. Carbon Canister 1. Start and run engine until it is at operating temperature. Stop engine. Remove carbon canister. Carbon canister on 1.3L is located under brake booster. Carbon canister is located in right side of engine compartment near cowl panel on 1.6L. 2. Inspect carbon canister for presence of liquid fuel, as evidenced by odor or weight. Blow into air vent and ensure air exits from fuel vapor inlet. Replace carbon canister if it contains fuel, or if air does not pass freely through it. POSITIVE CRANKCASE VENTILATION (PCV) 1. Remove PCV valve from valve cover and disconnect it from PCV hose. Shake valve vigorously to ensure plunger is free to move. Replace PCV valve if plunger is not free. 2. Idle engine until it is warm. Remove fresh air hose at inlet end. Plug nipple immediately to prevent stalling. Verify presence of vacuum at inlet end of hose. If vacuum is not present, replace PCV valve or service hoses or loose oil dipstick. THROTTLE CONTROLS Dashpot Disconnect PCV valve. Remove resonance chamber. Push dashpot rod in and then release it. Replace dashpot if rod does not go in slowly and MISCELLANEOUS CONTROLS A/C CLUTCH A/C Clutch Relay Remove relay from its socket near left headlight, in front of battery. Connect ohmmeter to contact terminals (Blue/Red and Black/White wires COOLING FAN Cooling Fan Unplug connector from cooling fan. Apply 12 volts to one terminal of fan connector. Ground remaining fan connector terminal. Replace fan if Cooling Fan Control Relay Remove relay from its socket near left headlight. Connect ohmmeter to contact terminals. Wire colors are Yellow/Red and Black on mating NOTE: Although some of the controlled devices listed here are not technically engine performance |