The check engine light was on about a month ago. I had the code checked and was told the engine was running lean. We weren't too concerned; tried to take it on a 3 hour drive and it just was S...
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It is best to adhere to the tire and wheel information that Porsche has recommended. Size information is found on the vehicle's door edge, on the back of the gas door, or more extensively in the owners manual.
As a performance car manufacturer, Porsche is renowned for their efforts in testing tires for their complete model lineup. Several Porsche Technical Service Bulletins outlining model specific approved tires, as well as winter tire specifications. are available. Find them here!
Changes such as wider/taller wheels need to be carefully considered and should always be in accordance with any factory recommendations. This includes the addition of stops at the steering rack and compatibility issues, including tire pressure monitoring systems.
With the advent of driving enhancements such as anti-lock brakes (ABS), traction control (TC), and stability control (SC), correct tire size and profile are major concerns.
There is a possibility that, due to differing wheel speeds caused by the actual differences in tire circumference, these systems will react to perceived faults. This is due to the "smaller" tire—the tire with the most wear—having a decreased circumference or rolling radius. The "smaller" tire will increase its speed, which will cause the wheel to slip or lose traction. This can trigger a response from systems such as traction control, automatic transmission shift strategies, and others.
Spare tire design has varied over the years, so be sure that your jack and tools are correct. If your vehicle uses a collapsible spare tire, be certain you have a working air pump. The air pump and wiring should be tested from time to time as a matter of prudence.
Some of the latest vehicles offer no spare tire at all. In these cases, be certain the factory approved tire sealant container is present and unused. The included air pump should be checked as well.
General concerns and requirements such as checking for wear and maintaining inflation pressure still apply. Be sure to keep track of the tire's age in comparison to the tire manufacturers date code.
If so equipped, become familiar with your Porsche's tire pressure monitor system. The best resource for this information remains the vehicle owners manual. If the warning light is on, make sure to pull over to a safe place and inspect the tire pressures.
Rapid tire wear, particularly rear tire wear, is largely a function of driving habits and the high performance nature of these vehicles.
Porsche Tire Questions and Answers
tire infltion yellow warning light goes on occasionally despite correct tire pressure
What is horsepower of the base model? How do I know if shocks are worn? How much tread depth before tires should be replaced?
I love my car but I can't take the road noise. Whats the best way ti deaden the noise? I've heard of getting it undercoated and then someone else stated to but dynamat down in the back???