Without the proper amount of fuel getting into the combustion chamber, the A4 will crank, but not start. When these sensors go bad, it can be impossible for your A4 to start. 8,5–4,7 l/100km. Audi A4. If you find a leak, replace the sensor with the updated part. 189–125 g/km. S4 Berline. AC Compressor Replacement. In fact, most won’t even cycle on without the right amount of refrigerant pressure. Automotive Technician. I have a Audi A4 Quattro 2009. 2006 Audi A4: Air conditioner blows cold air..hot air..likely cause. Like any Euro, it's got a few quirks but overall it's been an honest, fun to … An air conditioning system, using several components, includes a compressor to pressurize a chemical called freon, and drastically lower its temperature. You’ll probably have a misfire related code such as P0300, P0301, etc….. Ignition issues can be caused by many things, including bad spark plugs, bad coil packs, bad plug wires, computer issues, and more. You’ll see a security warning when trying to crank the engine though. 7,5–7,2 l/100km. You may also find a discharged battery. If there is anything that you would like to add, please leave a comment below. Without the proper amount of fuel getting into the combustion chamber, the A4 will crank, but not start. 8,6–5,6 l/100km. Audi 2010 4A is not turning on . This is far and away the most common reason that your A4’s air conditioner is not functioning. It’s the leak and low refrigerant level in the system that prevents the AC compressor clutch from engaging. I was driving to work when suddenly my car began shaking horribly and it started to smell like gas, and the engine like started flashing so I got off the freeway and ... 2009 Audi A4 2.0T quattro Sedan AWD-Maintenance & Repair . The second way that your A4 won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own. Cool Automotive Products and Tool Recommendations, Read AUTO REPAIR ARTICLES sorted by topic, Harsh shift, rough idle, GM service bulletin #PIP5446A, No start, no crank, start then stall on GM trucks, Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN. Read More. It may have had enough energy to get you home, but when you go to start the vehicle, there’s not enough stored energy for the engine to turn over. What are common reasons my Audi A4 has air conditioning problems? Coolant fans not running when ac is turned on. When there is no spark, the engine will not start. If the plugs are firing at the wrong time, or something has happened to cause the camshaft to no longer be in sync with the crankshaft, your A4 won’t start. Air Conditioner Not Turning On, How to Check The AC Compressor. The next thing to look at when your A4 isn’t starting would be the starter itself. 2. In this case, try turning the steering wheel left and right while gently jiggling the ignition key – this might help to release the steering lock. A squealing or grinding … If the refrigerant pressures are good and you find no leak, pursue normal diagnostics. Read More. AC Compressor Replacement. One of the biggest issues that causes a vehicle to crank but not start is ignition issues. Can jump the start posts and turn it over and everything seems f... 2006 Audi A4 3.2 quattro Sedan AWD-General . AC Recharge. This just means that the engine doesn’t move when you turn the key. Skip To Content ... / Audi 2010 4A is not turning on . Note that there also is a high-pressure line. It was working find but now nothin7. It is highly likely that if your A4 won’t start that there will be codes. If the engine’s ability to fire the spark plug at the right time is called “timing”. The biggest issues that causes a vehicle to crank the engine though means. 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