Check engine light

Mutual Causes For Audi Check Engine Lite

Has the cheque engine low-cal turned on in your Audi A4, A5, A6, Q5, or Q7? Information technology tin can be alarming seeing an engine warning appear on your dashboard, peculiarly if you've never seen it before. A wide array of bug tin crusade a check engine light to come on, some more than serious than others. Fortunately Audi Bellevue is here to aid you lot figure out what might be wrong, and what your next steps should be. Below we have highlighted the most common causes of a check engine light.

Loose Gas Cap: Your gas cap is loose, cleaved, or simply missing. Gas cap issues tin can reduce fuel pressure and allow fuel vapors to escape, reducing fuel economic system and increasing harmful emissions.
Failing Catalytic Converter: Your catalytic converter can eventually clog with material, especially with higher mileage vehicles. The catalytic converter is a vital office of the emissions system, removing toxic carbon monoxide. A failing or clogged catalytic converter tin can severely impact fuel economic system and vehicle performance.
Fouled Spark Plugs or Spark Plug Wires: Over fourth dimension you will somewhen need new spark plugs or spark plug wires. Your spark plugs create a hot spark that ignites the air-and-fuel mixture in the cylinder, allowing your engine to start and run. Faulty spark plugs or spark plug wires can crusade your engine to misfire, reducing fuel economy, performance, and fifty-fifty forestall information technology from running birthday.
Faulty Oxygen Sensor: Due to long exposure to hot exhaust gas, your oxygen sensor might need replacing. The oxygen sensor provides vital air-fuel mixture information to the ECU. A faulty oxygen sensor can cause your vehicle's computer to supply the engine with also much or likewise little fuel. An engine with too petty fuel is at gamble of total engine failure, and an engine with too much fuel will create excessive smoke and olfactory property.
Faulty Mass Air Menstruation Sensor: When exposed to muddy or particle-rich air, the Mass Air Menstruation (MAF) sensor could fail. Similar the oxygen sensors, the MAF sensor measures the amount of air inbound the engine and aid ensure the proper air-fuel mixture. A faulty MAF sensor can cause your engine to misfire, ultimately causing poor fuel economy, functioning, and potentially more than unnecessary impairment to your engine.

What to Exercise if Your Audi Check Engine Light Comes On

No matter the situation, when the check engine light comes on in your Audi, we always suggest stopping past our service centre then one of our knowledgeable technicians tin properly diagnose and repair your vehicle. Our service technicians have the nearly up-to-appointment diagnostic equipment that can apace read Audi OBD-II Trouble Codes.

OBD-Two Trouble Codes

When your vehicle has a problem and your check engine light comes on, the On-Board Diagnostics (OBD) system in your vehicle will besides trigger a code that can be used to diagnose what might be wrong. If y'all have access to an OBD-2 scanner, experience gratis to search our database of mutual OBD-II trouble codes to aid effigy out what might be incorrect.

The mode your check engine light is behaving though can assist you lot make up one's mind what might exist incorrect with your Audi, and the severity of the issue. To help y'all better understand what y'all should do next, we've outlined possible scenarios:

The check engine light only comes on in certain weather condition: If the cheque engine light is coming on intermittently, be sure to notice whatsoever changes in the performance of your vehicle when the lite is on. If you do find a deviation, effort driving your vehicle every bit picayune as possible until you can bring it in for service. Almost likely something is on the verge of declining and you run this risk of your vehicle non starting again.
The check engine low-cal is constantly on: Your vehicle'due south onboard diagnostic system has determined something is wrong and needs to be fixed. Although your vehicle may seem to be operating fine, it'due south best to bring it in for service equally soon equally possible to prevent additional issues.
The cheque engine light is on and at that place is a noticeable performance issue: If you are noticing a consequent decrease in performance with the check engine light on, your vehicle may accept automatically entered a "limp-mode" to prevent boosted impairment. In this case, you should come direct to our service center or have the vehicle towed to preclude any damage to the engine..
The bank check engine light is blinking while driving: Not to be dislocated with the light occasionally flickering in the first situation, if your check engine low-cal is blinking consistently that typically indicates there is a major upshot with your vehicle and you should pull over when safe. If you are not close to our service middle, we suggest having your vehicle towed here just to be safe.

If yous any additional questions regarding check engine lights, delight give us a call at (425) 249-7388 to speak with ane of our teammates, or simply schedule an appointment with our online form.