2005 dodge grand caravan fuel tank1/27/2024 This leak allows unmetered air (air that flows not via the mass airflow) into the engine, messing up the expected air fuel ratio and causes the vehicle to run lean. When there’s a hole in a vehicle’s air intake system behind the mass airflow sensor or MAF sensor, it’s called a vacuum leak. In such cases, it’s best to let a mechanic handle it. If it doesn’t help, chances are there’s an electrical issue inside the valve preventing it from proper functioning. You can clean the idle air control valve and check if it stops the car from dying. If the idle air control valve fails, your car’s idle may not be the smoothest, or the vehicle may stall completely. The IAC also manages engine load changes when your car isn’t moving, like when you turn on the AC, headlights, or radio. It’s connected to the throttle body - part of the air intake system controlling the air flowing into the engine(in response to your gas pedal input). When your car is idle, the idle air control valve (IAC) regulates the air-fuel mixture. Here are 12 common concerns you should look into: 1. While you can do it on your own, it’s best to let a mechanic handle it if you’re unfamiliar with the ins and outs of a car. If your car starts then dies, the only way to fix it is to first find out the cause.
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