heating and a/c

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    • Guest - Will

      The driver a/c vents arent blowing as hard as the passenger side vents.

    • Guest - John

      In reply to: Guest - Will

      I have 2003 Olds Alero. Air will blow out the driver and passenger vents, but barely comes out of the centre vents. (Dash)

    • Guest - André Sourdif

      Je feu voir un moteur avec le nom des pièces individuel pour en savoir son nom pour la changer

    • My ford 2000 crown Victoria has white smoke or vaporous coming out defroster vents when ac was on and now when ac is off

    • Guest - Tim

      In reply to: Emil

      Sounds like the evaporator drain is plugged and all the moisture is stuck and blowing back in the dash.

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    How Things Work

    Air Bag (SIR) System Function and Operation

    The Supplemental Inflatable Restraint (SIR) system supplements the protection offered by the driver and front passenger seat belts. The SIR system deploys an air bag from the center of the steering wheel and from the right side of the instrument panel. The knee bolsters and the steering column absorb crash energy. The driver and passenger knee bolsters are below the instrument panel.


    Common Engine Codes

    EGR Codes P0400 - P0405

    The powertrain control module (PCM) tests the exhaust gas recirculation (EGR) system during deceleration by momentarily commanding the EGR valve to open while monitoring the manifold absolute pressure (MAP) sensor signal. When the EGR valve is opened, the PCM should see a proportional increase in MAP.