![]() ![]() Fuel System Issues A leaking injector can cause the check engine light to flash. There are other misfire-related codes as well, but those are the most common ones. A leaking fuel injector can also cause a cylinder-specific misfire code. For example, P0301 indicates the Volkswagen CC is misfiring in cylinder 1.Īlthough it’s a bad sign when the service engine soon light flashes, when one of these codes comes up with it (and nothing else), it’s almost always one spark plug or ignition coil. These trouble codes correspond with a specific cylinder misfiring (cylinder number corresponds with its place in the firing order). Start with pulling the plug and taking a look at it. If the only code your car has is for a cylinder-specific misfire. Cylinder Specific Misfire The plug on the left was causing the check engine light to flash and threw a cylinder-specific misfire code. This code is often thrown when there is a fuel issue, a timing issue, and not just bad ignition components (most likely). P0300 indicates that your CC’s engine is misfiring, but it can’t detect which cylinder it’s coming from. ![]() These parts work in concert to ignite the fuel in the combustion chamber at just the right time. Your car’s ignition system consists of spark plugs, plug wires, and ignition coil packs (older vehicles have a distributor that has the same function as coil packs). Also, most parts stores will scan your vehicle for free if your check engine light is on.Ī misfire is the number one reason your CC’s check engine light will flash. Use it to discover exactly why your car’s computer flashed this light. The first thing you want to do is look them up with an OBD II scanner.Ī code scanner is cheap. There will always be trouble codes associated with the Volkswagen CC’s check engine light flashing. So don’t drive your car.īlinking Check Engine Light Diagnosis: Volkswagen CC If your car has a flashing check engine light, it means you need to service the engine now. If your Volkswagen CC has a flashing check engine light means that there is a catalyst damaging misfire (it can damage the catalytic converter and O2 sensors). The check engine light indicates that you need to service a vehicle soon. ![]()
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