The C1871 engine code is a kind of chassis problem and this problem can be fixed easily. The deactivation of cylinders is realized by discharging a synchronizer pin that generally interlocks the cam follower and rocker arms. The engine C1871 code solves the synchronizer pin which is unconfined using hydraulic compression which is measured by a dedicated solenoid. The chassis problem of the car engine is easy to fix and for this solution, you may take help from expert car engineer. The chassis problem can be solved without changing parts from the car engine and it is easy to fix at cheap rate.