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WP0AA29963S623744
Vehicle Summary
The 2003 Porsche 911 is a sleek coupe, renowned for its performance and classic design. It comes with a powerful 3.6-liter engine producing 320 horsepower, with an optional upgrade to 345 horsepower. Built in Stuttgart-Zuffenhausen, Germany, this model offers both 2WD and 4WD options under the Carrera and Carrera 4S trims. With its luxurious build and performance-driven engineering, the 911 remains a symbol of automotive excellence.
Complete Specifications
Common Issues for This Vehicle
Oil leaks
Porsche 911 engines, especially older models, are prone to oil leaks due to worn gaskets, seals, or oil cooler problems.
Ims bearing failure
The Intermediate Shaft (IMS) bearing is a well-known weak point in 996 and early 997 models, leading to catastrophic engine failures if not addressed.
Coolant leaks
These can occur due to aging coolant hoses, radiators, or water pump failures.
Rms (rear main seal) leaks
This is another common issue, leading to oil leaks between the engine and transmission.
Spark plug tube seals
The seals can degrade over time, leading to oil leaks into the spark plug wells.
Timing chain tensioner failure
Over time, the timing chain tensioners can fail, leading to improper timing and potential engine damage.
Variocam issues
Problems with the variable valve timing system can lead to poor performance and increased fuel consumption.
Fuel injector problems
Dirty or failing fuel injectors can cause misfires, rough idling, and poor acceleration.
Mass air flow sensor failure
A faulty MAF sensor can lead to poor engine performance and reduced fuel efficiency.
Exhaust system corrosion
The exhaust components, including the muffler and catalytic converters, can corrode over time, leading to leaks and reduced performance.
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