Pontiac GTO P0015: “B” Camshaft Timing  → Over Retarded

  P0015 is a generic OBD II trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Pontiac GTO can have VVT, and is known to develop this code. VVT changes the frequency and distribution of gases entering and exiting the combustion chamber. It allows the … Read more

Pontiac GTO: High Oil Pressure → Causes + Diagnosis

If your Pontiac GTO is experiencing unusually high oil pressure, you need to find out what’s causing it right away. Unusually high oil pressure can indicate serious problems, such as a blocked oil passage, or a broken pressure relief valve.  It should be treated like you have no oil pressure until you verify what is … Read more