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Home >> Toyota >> 1983 >> Pickup Base >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Diesel >> Testing >> Injection Nozzles >> Leakage Test

Leakage Test

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Pump pressure slowly until about 142-284 psi (10-20 kg/cm2 ) BELOW nozzle opening pressure. Hold pressure for at least 10 seconds; no dripping should occur. If nozzle drips, disassemble and clean, or replace. Check spray pattern.