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Ford E-100 Econoline Club Wagon Air Inject Check Valves

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AV23 Standard OE Replacement Air Inject Check Valve - Direct Fit, Sold individually
Part Number: SIAV23
Vehicle Info Required to Guarantee Fit
$33.49
Product Details
Notes : 0.75 in. hose sizeWarranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementProduct Fit : Direct Fit
AV1 Standard OE Replacement Air Inject Check Valve - Direct Fit, Sold individually
Part Number: SIAV1
Vehicle Info Required to Guarantee Fit
$17.99
Product Details
Notes : 1.24 in. hose sizeWarranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementProduct Fit : Direct Fit
AV12 Standard OE Replacement Air Inject Check Valve - Direct Fit, Sold individually
Part Number: SIAV12
Vehicle Info Required to Guarantee Fit
$51.49
Product Details
Location : Passenger SideNotes : 1.24 in. hose size; 1/2 in.-14 thread sizeWarranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementProduct Fit : Direct Fit
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Helpful Automotive Resources

Symptoms of a Bad Air Injection Check Valve
Symptoms of a Bad Air Injection Check ValveNot all vehicles have an AIR system⁠—but those that do can experience problems with an AIR check valve (also known as an air inject check valve or an air pump check valve).
Emission Control Systems
Emission Control SystemsThe purpose of the positive crankcase ventilation (PCV) system, is to take the vapors produced in the crankcase during the normal combustion process, and redirecting them into the air/fuel intake system to be burned during combustion. These vapors dilute the air/fuel mixture so they have to be carefully controlled and