P1341 - What's Really the Problem

[thom4782]

Hi all:

While driving in town today, the CEL popped on. It was steady, not flashing, and the code was P1341, Porsche fault code 174, camshaft adjustment bank 1 below limit value

I checked the camshaft deviations and the camshaft actual positions at idle and 3000 RPMs with the engine at operating temperature. Here's what I found. Both camshaft deviations were about -2.4 degrees. Actual camshaft positions were something like -1.75 degrees at idle and 24 degrees at 3000 RPMs.

It looks to me like the variocams are working just fine. Could this be something as simple as a cam position sensor going bad?

Thanks