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30% Off Online Orders of Select Parts and Accessories. Enter Promo Code PEP30 in Cart

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30% Off Online Orders of Select Parts and Accessories
Receive 30% Off Your Online Purchase. Use promotional code PEP30 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 10/27/16. Online orders scheduled for in-store pick up must be completed by closing on 10/26/16 for discount to apply.

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  • Part #: 158-0849|
  • SKU: 393175

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Pay in Store Available

    • Quality construction & materials
    • Helps restore fuel economy
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

Beck/Arnley Map Sensor

Mounted on or connected to the intake manifold to monitor intake vacuum. Calculates air density and determine the engine's air mass flow rate, which in turn determines the required fuel metering for optimum combustion. Measures engine load so ignition timing can be advanced and retarded as needed. Regains proper fuel economy, engine power, and proper idle.
  • Quality construction & materials
  • Helps restore fuel economy
  • Restores engine power