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25% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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25% Off Select Parts and Accessories
Receive 25% Off Your Online or In-Store Purchase. Use promotional code MMJ25 at checkout to receive discount. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included will be displayed in product search results and product detail pages. INCLUDES the following categories: Starters, Alternators, Fuel Pumps, Radiators, Shocks & Struts, Chassis, CV Axles, Batteries, Ignition, Window Motors, Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Headlamps and Bulbs. Excludes the following brands: Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner and BBK Performance. Valid online until 2:59 am EST on 5/1/17.

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132_215_158-0849
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  • Part #: 158-0849|
  • SKU: 393175

5 days after 6 p.m.


    • Quality construction & materials
    • Helps restore fuel economy
Retail
$85.99
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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


393175