Problem with a PORSCHE BOXSTER S 3.2L 2000 60k

Hunting on idle and engine management fault code stored P1341 camshaft adjustment bank 1 VVT. Suspect fault due to sticking variable valve timing.

The fault was cured by carrying out a 1 hour Forté New Generation Engine Flush and adding Forté Top End Treatment to the new oil.

Thanks to T E S Garage Services in Lymington, Hampshire.