Timing chain tensioner catastrophic failure
Engine damage severe enough to require replacement
Check engine light: On
Multiple reports of timing chain tensioner breakage causing catastrophic engine damage, with repair costs ranging $4,800 for repairs or $6,300 for a replacement engine.
$4,800 – $6,300
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Excessive oil consumption
Burning 1 quart every 200-600 miles
Check engine light: Off
Oil consumption ranging from 1 quart per 200-600 miles, described by owners as "unreal," requiring constant top-ups and in several cases major engine rebuilds.
$7,500+85,423 – 103,000 mi
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Additional catastrophic engine failures
Ring, cylinder, and piston failures requiring full engine replacement
Check engine light: On
The most expensive repairs reported for this nameplate are dominated by severe engine failures: complete engine replacements after ring failure, coolant intrusion into cylinders, two-cylinder failure totaling the engine, and piston/ring failure — an unusually high concentration of catastrophic engine failures for a single nameplate.
$7,500+75,700 – 117,000 mi
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Steering rack failures
Intermittent pulling, with some reports of loss of control
Check engine light: On
Steering rack failures reported causing intermittent pulling, with some complaints describing an associated loss of vehicle control.
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Oil leaks at the valve cover and cam chain tensioner
Oil leaks from the camshaft chain tensioner and valve cover gaskets
Check engine light: Off
Oil leaks from the camshaft chain tensioner and valve cover gaskets. This is among the more frequently reported issues on this generation, with 85 owner reports on file.
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Coil, plug and wire failure
Ignition coil, ignition wires, and/or spark plugs fail
Check engine light: On
Ignition coil, ignition wires, and/or spark plugs fail. This is among the more frequently reported issues on this generation, with 73 owner reports on file.
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Water pooling in the plenum tray
Rainwater accumulates in the plenum tray due to clogged drains
Check engine light: Off
Rainwater accumulates in the plenum tray due to clogged drains. This is among the more frequently reported issues on this generation, with 58 owner reports on file.
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Check engine light or hesitation due to a failed high-pressure fuel pump
Check engine light and/or hesitation due to a failed high pressure fuel pump
Check engine light: On
Check engine light and/or hesitation due to a failed high pressure fuel pump. This is among the more frequently reported issues on this generation, with 51 owner reports on file.
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Check engine light due to vacuum leaks, an oxygen sensor, or a catalytic converter fault
Check engine light due to vacuum leaks, an oxygen sensor fault, or a catalytic converter fault
Check engine light: On
Check engine light due to vacuum leaks, an oxygen sensor fault, or a catalytic converter fault. This is among the more frequently reported issues on this generation, with 46 owner reports on file.
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FSI and TFSI Engines Carbon Buildup
FSI and TFSI engines accumulate carbon buildup on the intake valves, intake, and runner flaps (P0300 series)
Check engine light: On
FSI and TFSI engines accumulate carbon buildup on the intake valves, intake, and runner flaps (P0300 series). This is among the more frequently reported issues on this generation, with 32 owner reports on file.
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Convertible top failure (hydraulic leaks)
Cabriolet convertible top mechanism fails due to hydraulic fluid leaks
Check engine light: Off
Cabriolet convertible top mechanism fails due to hydraulic fluid leaks. This is among the more frequently reported issues on this generation, with 25 owner reports on file.
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Early multi-link suspension wear
Premature wear in multi-link suspension components causes noise
Check engine light: Off
Premature wear in multi-link suspension components causes noise. This is among the more frequently reported issues on this generation, with 24 owner reports on file.
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Check engine light due to a faulty torque converter
Check engine light due to a faulty torque converter
Check engine light: On
Check engine light due to a faulty torque converter. This is among the more frequently reported issues on this generation, with 20 owner reports on file.
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ABS light from a failed control module
ABS light due to ABS control module failure
Check engine light: Off
ABS light due to ABS control module failure. This is among the more frequently reported issues on this generation, with 17 owner reports on file.
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Erratic turn signals (failed flasher relay)
Flasher relay failure causes erratic turn signal operation
Check engine light: Off
Flasher relay failure causes erratic turn signal operation. This is among the more frequently reported issues on this generation, with 17 owner reports on file.
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Instrument cluster display failure
Digital display on the instrument cluster fails
Check engine light: Off
Digital display on the instrument cluster fails. This is among the more frequently reported issues on this generation, with 13 owner reports on file.
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This generation shows an unusually high concentration of catastrophic (not just wearing) engine failures: timing chain tensioner breakage causing what one owner called "catastrophic damage to the engine," requiring either a $4,800 repair or a $6,300 replacement engine. The same timing chain tensioner failure is reported on the Volkswagen Tiguan ($6,000 and up); Audi and Volkswagen share engine platforms. Separately, owners report excessive oil consumption (1 quart per 200-600 miles), which is also reported on other luxury brands of this era.