Why Won't My Porsche Cayenne Start in Walnut Creek? Is It Due To Faulty Spark Plugs?

For starting the engine of the Porsche Cayenne, you have to turn the key in the ignition system. When you try to start the engine, the engine is making some repetitive chirping noise for a second or two by the starter and runs the engine by its own power. Thus, the starter of the car is making some cranking sound before starting and running the engine.

Moreover, a small problem with the engine is producing a cranking sound while starting the Porsche, but won’t start and run on its own. People always thought that failed spark plugs are causing starting issues in your car, but in reality, several other reasons are also responsible for the starting problem in your car.

In general, determining the real causes behind the starting problems in your Porsche Cayenne is relatively simple or quite complex. The following points define the causes behind your Porsche Cayenne won’t start after long tries.

Bad spark plugs

Thus, the main function of the spark plug in your car is to ignite the right amount of air/fuel mixture inside the engine’s cylinders for creating the necessary explosion to power up the engine. In general, the spark plug of the Porsche can last for 100,000 miles or more and needs immediate replacement if it is not working efficiently.

If too much carbon buildup in the engine, then it fouls the spark plugs or causes oil leaks into the engine. Eventually, the buildup of carbon is coating the spark plugs and preventing them from working efficiently. When it happens, the power supply to the spark plug is interrupted and causes starting problems.

Dead battery

The battery in your car is responsible for supplying the necessary power to the starter motor for cranking the engine and converting the chemical energy to electrical energy to power up the electrical systems. Moreover, the lifespan of the battery is usually 3 to 6 years and causes trouble in holding the charge eventually.

For preventing dead battery issues in your car, you have to charge the alternator at more than 12 volts. When the battery of your car is dead, you have to replace the alternator and charge the battery fully. Try to replace the battery if it is unable to hold enough charge in the car.

Clogged fuel injectors

Generally, the main causes behind the starting problems in your Porsche are the engine is not getting the right amount of fuel. The fuel injector in your car is injecting the right amount of fuel into the engine to run it efficiently. Over time, the injectors become clogged with rust, debris, and corrosion.

When it is clogged, the engine cylinders are not getting the correct amount of fuel and cause starting issues. To prevent the problem, you have to clean the fuel injectors at regular intervals to function as intended and add high-quality gasoline to the tank to run it smoothly on the road.

Dead starter motor

Commonly, the starter motor is a 12-volt electric motor of the engine which is engaging the flywheel at the rear of the engine. When the starter motor is exposed to the outside elements, it becomes corroded and causes starting problems after long tries. At this point, the engine cranks when you put the key in the ignition, but doesn't start.

If you notice that your car doesn’t start, then diagnose the starter motor and replace it if needed. The replacement cost of the starter motor varies depending on the make and model of the Porsche. So, consult with a reputed mechanic to replace the starter motor at an affordable cost.

Broken timing belt

Basically, the timing belt of the car is connecting the crankshaft with the camshaft for synchronizing the timing of the engine's cycles. Eventually, the timing belt of the car is wearing out because it is made from a rubber belt and failed when it is saturated with oil. Due to these reasons, the belts of the car can be stretched and broken down over time.

To determine the broken timing belt of the car, you have to remove the front engine cover. Then inspect the pistons and valves for recognizing any damages or bents. For resolving the issues, you have to install the timing belt in the correct position.

Conclusion

When your Porsche Cayenne is having starting issues, try to explore the problem as soon as possible for preventing major damage. If you are currently living in Walnut Creek and found that your Porsche Cayenne won't start, then bring it to a reputed local mechanic for diagnosing the causes behind the problem and fix it accordingly.

M Service, INC. is one of the most popular auto repair shops in the Walnut Creek area that is having years of experience in looking after European cars Land Rover, Audi, BMW, Mini, Mercedes, and Porsche. At M Service, INC.