Common in Porsche 911 engines, often due to worn gaskets or seals.

Intermediate shaft bearing can fail, leading to severe engine damage.

Problems with coolant hoses or the water pump can lead to leaks.

Can be caused by a malfunctioning thermostat, water pump, or radiator.

Often due to faulty ignition coils or spark plugs.

Worn timing chain or tensioner can cause engine misalignment.

Can lead to oil leakage and engine misfires.

Can cause oil to enter the intake system, leading to smoke and poor performance.

Common in Porsche 911 engines, often due to worn gaskets or seals.

Intermediate shaft bearing can fail, leading to severe engine damage.

Problems with coolant hoses or the water pump can lead to leaks.

Can be caused by a malfunctioning thermostat, water pump, or radiator.

Often due to faulty ignition coils or spark plugs.

Worn timing chain or tensioner can cause engine misalignment.

Can lead to oil leakage and engine misfires.

Can cause oil to enter the intake system, leading to smoke and poor performance.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

The 2006 Porsche 911, especially models with 6-cylinder engines, are known for oil leaks typically from the rear main seal or oil pan gasket.

Intermediate Shaft (IMS) bearing failure is a notorious issue in 911 models around this year, which can lead to catastrophic engine failure.

Coolant leaks are also common, often originating from the water pump or coolant expansion tank.

Some 911 engines have been known to develop cracked cylinder liners, which can cause significant engine problems.

Faulty ignition coil packs are a frequent issue, leading to misfires and poor engine performance.

Rough idling can be caused by a variety of factors including vacuum leaks, dirty throttle body, or failing sensors.

Problems with the timing chain tensioner can lead to improper timing and potential engine damage.

Some models may experience higher than normal oil consumption, which may indicate underlying issues like worn piston rings or valve guides.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

The 2006 Porsche 911, especially models with 6-cylinder engines, are known for oil leaks typically from the rear main seal or oil pan gasket.

Intermediate Shaft (IMS) bearing failure is a notorious issue in 911 models around this year, which can lead to catastrophic engine failure.

Coolant leaks are also common, often originating from the water pump or coolant expansion tank.

Some 911 engines have been known to develop cracked cylinder liners, which can cause significant engine problems.

Faulty ignition coil packs are a frequent issue, leading to misfires and poor engine performance.

Rough idling can be caused by a variety of factors including vacuum leaks, dirty throttle body, or failing sensors.

Problems with the timing chain tensioner can lead to improper timing and potential engine damage.

Some models may experience higher than normal oil consumption, which may indicate underlying issues like worn piston rings or valve guides.

Common in Porsche 911 engines, often due to worn gaskets or seals.

Intermediate shaft bearing can fail, leading to severe engine damage.

Problems with coolant hoses or the water pump can lead to leaks.

Can be caused by a malfunctioning thermostat, water pump, or radiator.

Often due to faulty ignition coils or spark plugs.

Worn timing chain or tensioner can cause engine misalignment.

Can lead to oil leakage and engine misfires.

Can cause oil to enter the intake system, leading to smoke and poor performance.

Common in Porsche 911 engines, often due to worn gaskets or seals.

Intermediate shaft bearing can fail, leading to severe engine damage.

Problems with coolant hoses or the water pump can lead to leaks.

Can be caused by a malfunctioning thermostat, water pump, or radiator.

Often due to faulty ignition coils or spark plugs.

Worn timing chain or tensioner can cause engine misalignment.

Can lead to oil leakage and engine misfires.

Can cause oil to enter the intake system, leading to smoke and poor performance.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

The 2006 Porsche 911, especially models with 6-cylinder engines, are known for oil leaks typically from the rear main seal or oil pan gasket.

Intermediate Shaft (IMS) bearing failure is a notorious issue in 911 models around this year, which can lead to catastrophic engine failure.

Coolant leaks are also common, often originating from the water pump or coolant expansion tank.

Some 911 engines have been known to develop cracked cylinder liners, which can cause significant engine problems.

Faulty ignition coil packs are a frequent issue, leading to misfires and poor engine performance.

Rough idling can be caused by a variety of factors including vacuum leaks, dirty throttle body, or failing sensors.

Problems with the timing chain tensioner can lead to improper timing and potential engine damage.

Some models may experience higher than normal oil consumption, which may indicate underlying issues like worn piston rings or valve guides.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Common in Porsche 911 engines, often due to worn gaskets or seals.

Intermediate shaft bearing can fail, leading to severe engine damage.

Problems with coolant hoses or the water pump can lead to leaks.

Can be caused by a malfunctioning thermostat, water pump, or radiator.

Often due to faulty ignition coils or spark plugs.

Worn timing chain or tensioner can cause engine misalignment.

Can lead to oil leakage and engine misfires.

Can cause oil to enter the intake system, leading to smoke and poor performance.

Common in Porsche 911 engines, often due to worn gaskets or seals.

Intermediate shaft bearing can fail, leading to severe engine damage.

Problems with coolant hoses or the water pump can lead to leaks.

Can be caused by a malfunctioning thermostat, water pump, or radiator.

Often due to faulty ignition coils or spark plugs.

Worn timing chain or tensioner can cause engine misalignment.

Can lead to oil leakage and engine misfires.

Can cause oil to enter the intake system, leading to smoke and poor performance.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

The 2006 Porsche 911, especially models with 6-cylinder engines, are known for oil leaks typically from the rear main seal or oil pan gasket.

Intermediate Shaft (IMS) bearing failure is a notorious issue in 911 models around this year, which can lead to catastrophic engine failure.

Coolant leaks are also common, often originating from the water pump or coolant expansion tank.

Some 911 engines have been known to develop cracked cylinder liners, which can cause significant engine problems.

Faulty ignition coil packs are a frequent issue, leading to misfires and poor engine performance.

Rough idling can be caused by a variety of factors including vacuum leaks, dirty throttle body, or failing sensors.

Problems with the timing chain tensioner can lead to improper timing and potential engine damage.

Some models may experience higher than normal oil consumption, which may indicate underlying issues like worn piston rings or valve guides.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

The 2006 Porsche 911, especially models with 6-cylinder engines, are known for oil leaks typically from the rear main seal or oil pan gasket.

Intermediate Shaft (IMS) bearing failure is a notorious issue in 911 models around this year, which can lead to catastrophic engine failure.

Coolant leaks are also common, often originating from the water pump or coolant expansion tank.

Some 911 engines have been known to develop cracked cylinder liners, which can cause significant engine problems.

Faulty ignition coil packs are a frequent issue, leading to misfires and poor engine performance.

Rough idling can be caused by a variety of factors including vacuum leaks, dirty throttle body, or failing sensors.

Problems with the timing chain tensioner can lead to improper timing and potential engine damage.

Some models may experience higher than normal oil consumption, which may indicate underlying issues like worn piston rings or valve guides.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Porsche 911 engines, especially older models like the 2004, are prone to oil leaks from various seals and gaskets, including the rear main seal and valve cover gaskets.

The 2004 Porsche 911 is known for potential IMS bearing failures, which can lead to catastrophic engine damage if not addressed.

Problems with the cooling system, such as radiator and water pump failures, can occur, leading to overheating and potential engine damage.

Some 911 engines may develop cylinder scoring, which can cause a loss of compression and increased oil consumption.

Ignition coil packs on the 2004 Porsche 911 can fail, leading to misfires and poor engine performance.

Vacuum leaks are common and can cause rough idling, poor acceleration, and overall reduced engine efficiency.

Faulty oxygen sensors can lead to poor fuel economy and increased emissions.

The timing chain tensioner can wear out, causing timing issues and potential engine damage if not replaced.

Common in Porsche 911 engines, often due to worn gaskets or seals.

Intermediate shaft bearing can fail, leading to severe engine damage.

Problems with coolant hoses or the water pump can lead to leaks.

Can be caused by a malfunctioning thermostat, water pump, or radiator.

Often due to faulty ignition coils or spark plugs.

Worn timing chain or tensioner can cause engine misalignment.

Can lead to oil leakage and engine misfires.

Can cause oil to enter the intake system, leading to smoke and poor performance.