Question 1

What is PDK Distance Sensor Failure on the Porsche Porsche 911 (991)?

Accepted Answer

Internal sensor failure in the PDK gearbox. While Porsche usually recommends a full transmission replacement (£25,000+), UK specialists like Ninemeister can repair the internal sensor (typically a T-Design9 upgrade) for a fraction of the cost.

Question 2

What is Dynamic Engine Mount (PADM) Failure on the Porsche Porsche 911 (991)?

Accepted Answer

The electromagnetically controlled engine mounts fail internally, triggering a dashboard warning.

Question 3

What is Water Pump Failure on the Porsche Porsche 911 (991)?

Accepted Answer

The water pump bearing or impeller can fail, causing coolant loss and overheating. The 991.2 has an extended warranty from Porsche for this issue.

Question 4

What is Cracked Ignition Coil Packs on the Porsche Porsche 911 (991)?

Accepted Answer

Coil packs can crack and fail, causing misfires. Common across all 991 variants and relatively inexpensive to fix.

Question 5

What should I check when buying a used Porsche Porsche 911 (991)?

Accepted Answer

Check for "PADM Fault" messages; the active engine mounts are a frequent failure point.

Question 6

What should I check when buying a used Porsche Porsche 911 (991)?

Accepted Answer

Inspect the door panels for warping; the trim can lift away from the window line.

Question 7

What should I check when buying a used Porsche Porsche 911 (991)?

Accepted Answer

Ensure the radiator fans are silent; they can become noisy if debris is trapped.

Question 8

What years was the Porsche Porsche 911 (991) made?

Accepted Answer

The Porsche Porsche 911 (991) was produced from 2012 to 2019.

Porsche Porsche 911 (991)

Porsche 911 (991) Reliability & Common Faults

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