What are the most common problems with the 2006 Porsche Boxster engine?

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The 2006 Porsche Boxster (987.1) has several well-documented engine issues to be aware of:

**Top 5 Most Common Engine Problems:**

1. **IMS Bearing Issues** - While 2006 models have improved bearings over earlier years, the Intermediate Shaft Bearing can still fail, potentially causing catastrophic engine damage. Look for oil leaks, unusual noises, or metal in the oil.

2. **Cylinder Bore Scoring** - More common in the 2.7L engine (like this one) than larger variants. Can cause increased oil consumption and rough running. A pre-purchase inspection with a borescope is recommended.

3. **Rear Main Seal Leaks** - Common oil leak point that leaves spots under the car. Not critical but should be addressed.

4. **Air Oil Separator (AOS) Failure** - Can cause oil to enter the intake, leading to smoking and rough idle.

5. **General Oil Leaks** - Various gaskets and seals can develop leaks as the engine ages.

**Good News About This Specific Car:**
This Boxster appears well-maintained with regular service records, recent oil changes, and only 114k miles. The performance chip upgrade suggests an enthusiast owner who likely maintained it properly. The listed service history and clean Carfax are positive indicators.

**Recommendation:** Have a Porsche specialist perform a pre-purchase inspection, including an IMS bearing assessment and borescope of the cylinders. With proper maintenance, these engines can be reliable and enjoyable.

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