Are there any Carrera 997s with cylinder bore scoring?
While cylinder bore scoring has been an issue on a relatively small percentage of Carrera engined 997S models and some 3.4 Boxster/Caymans, it isn’t a universal problem.
Is there a problem with my Porsche 997?
Many engines have been stripped following a borescope only to find the wear was not as bad as the images suggested. While cylinder bore scoring has been an issue on a relatively small percentage of Carrera engined 997S models and some 3.4 Boxster/Caymans, it isn’t a universal problem.
What are the number of cylinder scoring failures?
Over the last 5 years the numbers of bore scoring cylinder failures have quadrupled here, making cylinder bore scoring the #1 failure that leads to our services being sought out by Porsche owners.
Where are the cylinders in the Carrera series?
Cylinder locations? Where is Cylinder 1? is there a diagram somewhere? – 997-1 Series (Carrera, Carrera 4, Carrera 2S, Carrera 4S) – RennTech.org Community Cylinder locations?
Why does my Porsche 997 not have compression?
A lack of compression could be caused by a bent valve, broken valve spring, or even damaged piston rings. Without proper compression, an engine will never run correctly. Unfortunately, the worse thing about a compression issue or other engine-related issue is usually that this is where it is going to be the most costly to fix.
Why does my Porsche 997 have a vacuum leak?
There have been reports of misfires caused by the hose clamps coming loose on the intake plenum, which is the part that connects the throttle body to the intake manifold and diverts the air into each bank of cylinders, creating a vacuum leak.
Can a Porsche 997 internal combustion engine misfire?
When it comes to troubleshooting misfires, there is rarely a problem with so many possible causes. Here’s a brief run through to get you started. This article applies to the Porsche 911 997 (2005-2012). It doesn’t matter what kind of vehicle it is or how new it is; if it has an internal combustion engine, it can misfire.
Why is my Porsche 997 fuel injector not working?
If you haven’t changed your fuel filter in a long time, also consider this as a possible cause. This would most likely be the case if the misfire is not on a specific cylinder. Figure 1. 997 fuel injector. Proper, metered air flow into your engine is required in order for it to operate correctly.