Do not continue driving. Pulling over as soon as it is safe to do so is crucial.
Here's why it's so serious and what you should do:
* Misfire: A blinking CEL almost always means one or more cylinders are not firing properly. This can lead to:
* Damaged catalytic converter: Unburnt fuel entering the exhaust system can overheat and destroy the catalytic converter, an expensive repair.
* Damaged piston(s): Continued misfiring can cause damage to the pistons and connecting rods.
* Engine damage: Severe misfires can lead to significant and costly engine damage.
What to do immediately:
1. Pull over safely: Find a safe location to stop driving immediately.
2. Turn off the engine: Don't let the engine run any longer than necessary.
3. Call for roadside assistance: Contact Porsche roadside assistance or a reputable tow truck service. Don't attempt to drive the car further.
4. Obtain a diagnostic scan: Once the car is safely towed, take it to a qualified Porsche mechanic or specialist. They will use a diagnostic scanner capable of reading Porsche-specific codes to pinpoint the exact cause of the misfire. Generic OBD-II scanners might give some information, but a Porsche-specific scanner is recommended for accuracy.
Possible causes (a mechanic will diagnose the specific problem):
* Spark plugs: Worn, fouled, or damaged spark plugs are a common cause of misfires.
* Ignition coils: These components deliver high voltage to the spark plugs. A faulty coil will prevent a cylinder from firing.
* Worn or damaged wires: Problems with the ignition wires can interrupt the spark delivery.
* Fuel injectors: A clogged or malfunctioning fuel injector can prevent fuel from reaching a cylinder.
* Engine sensor issues: Various sensors (crankshaft position sensor, camshaft position sensor, etc.) are crucial for proper engine operation. A faulty sensor can disrupt the timing and lead to misfires.
* Valve problems: In severe cases, a valve problem can contribute to misfires.
Ignoring a blinking CEL on a Porsche Boxster can result in extremely expensive repairs. Immediate action is essential to prevent further damage.