2004-2005 GMC Envoy XUV Air Injection Check Valve for L6 4.2L1AEMX00044-466947
This part replaces:
- OE # 12575655
- OE # 12619128
- Dorman 911-003
- Standard Motor Products DV131
This Air Injection Check Valve is a new, aftermarket part. It mounts on the engine and is used to control the flow of vapors from the EVAPORATIVE system to the intake manifold. It is controlled by the vehicles main computer or ECM. When the ECM sends the activation signal, a plunger in the valve will move to seal the vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative loss system components. This solenoid valve is used only for diagnosis, and usually remains opened. When the vent is closed, under normal purge conditions, the evaporative loss system is depressurized and allows "EVAP Control System (Small Leak)" diagnosis. If this valve is defective, the Check Engine Light will illuminate to Set with Small Leak Diagnosis. Some of the trouble codes associated with this part being defective are: P1456, P1448, P0449, and P0455.
- Brand New Air Injection Check Valve
- Mounts on engine
- Replaces dealer part numbers: 12575655, 12619128
- Direct replacement
- Built to strict quality control standards
- Fits the following GM engines:
- L6 4.2L (8th Vin Digit S)
Over time and daily use the electronic valve can wear out causing the check engine light to set. If the valve is the problem, replace it now with this great fitting alternative.
These are electrical parts and are all tested before they leave our warehouse. This electrical item is not returnable, it is only eligible for exchange.
This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.
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