What is the location and common issue with the EGR valve on Ford Fairmont?

The EGR valve is located on the intake manifold, adjacent to the carburetor. The majority of the time, when a fault develops in this emissions system it is due to a stuck or corroded EGR valve. With the engine cold to prevent burns, remove the EGR valve. Using moderate pressure, manually push the valve diaphragm up and down within the housing. If the diaphragm does not move or moves only with much effort, replace the EGR valve with a new one. If you are in doubt about the condition of the valve, obtain a new valve and compare the free movement between the two. Further information on EGR system can be found in the related materials.

Genuine Ford Fairmont EGR Valve

Emissions EGR Valve

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Ford Fairmont Valve Assy - EGR Vacuum Control
Part Number: D5FZ-9D473-B
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980 Ford Fairmont | 4 Cyl 2.3L, 6 Cyl 3.3L, 8 Cyl 4.2L | 3AT C3, 3AT C4, 4MT

Ford Fairmont EGR Valve

The Ford Fairmont EGR Valve helps in lowering harmful NOx by feeding a measured amount of exhaust back into the intake, allowing cooler combustion in the chambers and preventing knock in the engine. The EGR Valve, which is located between the exhaust and intake passages, only opens during cruise and light throttle conditions, thereby preventing idle, cold start, and full-power dilution. The vacuum-controlled diaphragm EGR Valve that was applied on early Ford Fairmont versions utilized ported vacuum plus positive or negative backpressure to modulate pintle position. Later Ford Fairmont versions adopted more complex pulse width electronic EGR Valve designs incorporating internal motors, solenoids, and feedback sensors for computer-directed flow. Tracking the pintle position and temperature is done by employing the digital and linear format, while the simple spring, diaphragm, and disc design applied in that the opening of this type of solenoid is dependent on the manifold vacuum. When the EGR Valve of the Fairmont is clean, the car complies with emissions regulations. Each Ford device meters about 5 to 15 percent inert gas, which is sufficient to hold back pollutants but not enough to impact drivability. Carbon buildup still occurs, which causes sticking and sets warning codes.

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Ford Fairmont EGR Valve Parts Questions & Experts Answers

Valve Assy - EGR Vacuum Control
D5FZ-9D473-B
Q: What is the location and common issue with the EGR valve on Ford Fairmont?
A:
The EGR valve is located on the intake manifold, adjacent to the carburetor. The majority of the time, when a fault develops in this emissions system it is due to a stuck or corroded EGR valve. With the engine cold to prevent burns, remove the EGR valve. Using moderate pressure, manually push the valve diaphragm up and down within the housing. If the diaphragm does not move or moves only with much effort, replace the EGR valve with a new one. If you are in doubt about the condition of the valve, obtain a new valve and compare the free movement between the two. Further information on EGR system can be found in the related materials.