3.4.8. Instructions on service and repair of the engine
Power deceleration, and also the raised consumption of oil and fuel testify to the general wear of knots and units of the engine.
Wear of pistons is the reason, piston rings, destruction of laying of a head of the block of cylinders, a burn-out and wear turned gray also heads of valves.
Effective way of detection of the reasons of abnormal operation of the engine is check of a compression.