How to remove and install the secondary air injection system and Air Injection Pump on a Ford Fusion?

The secondary air injection system is only on 2.3L four-cylinder models. Disconnect the negative battery cable. The pump is at the engine compartment's lower front. Raise the vehicle and place on jackstands. Remove the underbody cover and disconnect the pump's electrical connector. Disengage the wire harness clips from the pump air hoses. Disconnect the inlet air hose from the air intake duct and the air hose from the diverter valve. Remove the pump mounting bolts and remove the pump and hoses. Use the same hose clamps to secure the hoses to the pump before installation. The secondary air valve is behind the left rear corner of the valve cover. Disconnect the vacuum hose and the outlet and inlet hoses from the air valve. Remove the air valve mounting bolts and the air valve. Reverse these steps for installation.

Genuine Ford Fusion Air Injection Pump

SAI Pump

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Ford Fusion Pump Assembly - Exhaust Air Supply
Part Number: 6E5Z-9A486-AA
$167.89 MSRP: $336.36
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Product Specifications
- Other Name: Pump Assy - Exhaust Air Supply; A.I.R. Pump
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2009 Ford Fusion | 4 Cyl 2.3L | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Fusion Pump Assembly - Exhaust Air Supply
Part Number: 6E5Z-9A486-BA
$142.74 MSRP: $283.64
You Save: $140.90 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assy - Exhaust Air Supply; A.I.R. Pump
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2009 Ford Fusion | 4 Cyl 2.3L | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive

Ford Fusion Air Injection Pump

The Air Injection Pump used in Ford Fusion automobiles is used to introduce fresh air into the exhaust system for the purpose of minimizing emissions. This process optimises the facing of unburned fuel, particularly Hydrocarbons (HC) and Carbon Monoxide (CO). With the help of an electric or belt-driven air pump pressurised air is sent to the exhaust ports and catalytic converter at different moments depending on temperature and conditions. Different models of the Air Injection Pump have been used in different models of the Ford Fusion and there are check to ensure that a backfire on the pump does not occur on the car when it is decelerating and there are also check to ensure that the air is routed in the correct manner. The system may consist of air control valves and one way check valves and these are part of the system that regulates the flow of air and also shelter the pump from the exhaust gas. Periodic diagnostic are crucial since problems with the systems can cause higher emissions and lower fuel rates.

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Ford Fusion Air Injection Pump Parts Questions & Experts Answers

Pump Assembly - Exhaust Air Supply
6E5Z-9A486-AA
Q: How to remove and install the secondary air injection system and Air Injection Pump on a Ford Fusion?
A: The secondary air injection system is only on 2.3L four-cylinder models. Disconnect the negative battery cable. The pump is at the engine compartment's lower front. Raise the vehicle and place on jackstands. Remove the underbody cover and disconnect the pump's electrical connector. Disengage the wire harness clips from the pump air hoses. Disconnect the inlet air hose from the air intake duct and the air hose from the diverter valve. Remove the pump mounting bolts and remove the pump and hoses. Use the same hose clamps to secure the hoses to the pump before installation. The secondary air valve is behind the left rear corner of the valve cover. Disconnect the vacuum hose and the outlet and inlet hoses from the air valve. Remove the air valve mounting bolts and the air valve. Reverse these steps for installation.