LEMON Manuals: Even more car manuals for everyone
Home >> Isuzu >> 1984 >> Impulse Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - ISUZU I-TEC >> Testing >> Fuel Pressure >> High Fuel Pressure

High Fuel Pressure

Check for restrictions in fuel return circuit. Clean or replace circuit as necessary. High pressure may also be caused by defective pump or pressure regulator.