Check the performance of the fuel pump and the condition of the air filter element. Set the pressure gauge valve to position «open» (for measuring fuel pressure in front of the pressure gauge), by placing the valve in line with the fitting. Make sure a shoe is connected to the control pressure regulator. Start the engine and leave it to idle. Measure the fuel pressure in the system using the pressure gauge, which should be in the range of 4.7-5.4 kgf / cm2. If the pressure is not within the specified limits, replace the fuel dispenser. You can also eliminate the causes of fuel pressure deviation from the required one by diagnosing in Table 2-26.
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