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1975
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Forward Control 7.4L Eng VIN Z, Standard Trans
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Repair and Diagnosis
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Engine Mechanical
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Exhaust
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Air Injection Systems
Air Injection Systems
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Description
Operation
Air Pump Type
Pulse Air Injection Type
Diverter Valve
Notes
Ford Motor Co. Timed By-Pass Diverter Valve
Ford Motor Co. Normally-Closed By-Pass Diverter Valve
Ford Motor Co. Timed & Vented By-Pass Diverter Valve
Check Valve
Injection Manifold
Idle Vacuum Valve
Ford Motor Co.
Trouble Shooting
Air Pump Type
Excessive Belt Noise
Excessive Pump Noise
No Air Supply
Exhaust Backfire
Pulse Air Injection Type
Short Hissing Noise
Surge Or Poor Performance
Excessive Heat; Paint Burned Off Of Valve
Poor Driveability
Testing
Air Pump Type
Diverter Valve Test
Check Valve Test
Pulse Air Injection Type
Ford Motor Co.
General Motors
Maintenance
Notes
Centrifugal Fan Filter
Exhaust Emission System Cleaning
Air Pump Overhaul
Pump Exhaust Tube Replacement