If you want to solve the car engine problem and make sure that the car engine is ok. You need to know the real cause of the car engine problem and you can know about it from automobile manufacturer. The car engine P2729 Code is found after testing the car engine. Technicians report that electronic heaviness control solenoid and cabling faults are often overlooked and high compression pumps are normally replaced in fault. It is necessary to diagnosis the car engine and solve the car engine problem as soon as possible. Diagnosis the car engine manually is also necessary to find out the real cause of the car engine problem.