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2. Onboard refueling vapor recovery - Wikipedia

   en.wikipedia.org/wiki/Onboard_refueling_vapor...

   The purge valve controls the purge vapor purge line, through which the manifold vacuum pulls air through the vapor storage device and purges it of fuel vapors. The electronic control unit (ECU) controls the opening and closing of this valve.

3. Hydraulic tappet - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_tappet

   A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. Conventional solid valve lifters require regular adjusting to maintain a small clearance between the valve and its rocker or cam follower. This space prevents the parts from ...

4. Valve float - Wikipedia

   en.wikipedia.org/wiki/Valve_float

   Valve float is an adverse condition which can occur at high engine speeds [1] when the poppet valves in an internal combustion engine valvetrain do not properly follow the closure phase of the cam lobe profile. This reduces engine efficiency and performance.

5. Throttle position sensor - Wikipedia

   en.wikipedia.org/wiki/Throttle_position_sensor

   Non contact type TPS work on the principle of Hall effect or inductive sensors, or magnetoresistive technologies, wherein generally the magnet or inductive loop is the dynamic part which is mounted on the butterfly valve throttle spindle/shaft gear and the sensor & signal processing circuit board is mounted within the ETC gear box cover and is ...

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. I may not like Christmas, but I'm not a complete Scrooge - AOL

   www.aol.com/dont-celebrating-christmas-now-kids...

   Ever since my kids grew up, I've used the holiday season to book long, international trips. I don't celebrate anyway, and I love traveling.

8. Dad says daughter was called 'this': Angry parents protest ...

   www.aol.com/demonstrators-protest-maryland...

   A crowd of community members gathered under gray skies Sunday afternoon outside the Maryland Cracker Barrel where a group of special needs and autistic children were denied dine-in service earlier ...

9. Air purge system - Wikipedia

   en.wikipedia.org/wiki/Air_purge_system

   An air purge heating unit is used to ensure that the purge air remains at a temperature above the acid dew-point. This temperature is typically around 20 °C/68 °F. [2] If temperatures are below this point, the controls will be corroded by condensation of compounds in the flue gas. Heated air ensures that controls are dry during startup. [3]