Reduced engine power P0087 P0010

Question

2008 Pontiac solstice GXP engine power reduced and p0087 p0010

Answer 1

P0088 Fuel Rail Pressure (FRP) Too Low

P0010 Intake camshaft position (CMP) actuator solenoid control circuit

  What is a common problem on this engine is the intake actuator solenoid going bad , it also to your advantage you replace both actuator solenoid, one on the intake side  which you have coded up,and  replace also the exhaust side. The Fuel Rail pressure (FPR) being low this will cause reduce engine and also a display message of reduce power . It is more than likely you have a skewed FPR sensor. The worst case would be the camshaft causing the mechanical fuel pump to produce low pressure , or even the mechanical fuel pump itself being skewed.Replace the CMP actuator solenoid for P0010, as for P0088 the FPR replace  this sensor  regardless if you did a fuel pressure test or not, since this more of a safety item when you get a reduce power at any given moment.