Checking compression pressure (compression) in cylinders of gasoline engines.

Before checking, start and warm the engine to the optimal operating temperature, and recharge the battery (if necessary). After making sure that these conditions are met, unscrew all the spark plugs and fix the throttle in a completely open position. Then turn off the central armored vehicle from the ignition distributor and ground it to the cylinder block (to ensure reliable grounding, use the transition wire with clips of the crocodile type, on cars equipped with a injection system, the fuel pump circuit should also be turned off).Disconnect the power nozzle of a cold start (if it is installed).