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The auxiliary air valve increases idle speed when the engine is cold by allowing more air into the engine
ONE KIT CONTAINS: 4 LARGE + 4 SMALL SEALS
NOT AFTERMARKET
GL 1975-77
Saab Reman Warm-Up Regulator BOSCH 0438140136 Saab 7515554 Vanagon Idle Air Valve The auxiliary air valve increasesSaab Reman Warm Up Regulator BOSCH 0438140136 Saab 7515554 Saab Reman Warm Up Regulator is remanufactured to support accurate fuel delivery and consistent engine behavior. The warm up regulator plays a key role in controlling pressure, which affects how much fuel is delivered during the first minutes after startup. A worn or faulty regulator can cause hard starting, rough idle, hesitation, or poor fuel economy. This remanufactured replacement helps
