LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Renault >> 1984 >> Sportwagon Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH AFC >> Testing >> Fuel Pressure >> All Other Models
April 5, 2026: LEMON Manuals is launched! Read the announcement.

All Other Models

  1. Release fuel system pressure. Remove fuel supply line at cold start injector and connect fuel pressure gauge. Disconnect vacuum hose from pressure regulator and connect hand vacuum pump to regulator. Turn ignition on and check pressure reading. See Fuel Pressure Specifications chart.
  2. Apply 16 in. Hg to pressure regulator. Reading should drop about 7 psi (0.5 kg/cm2 ). If pressure is too low, check fuel pump delivery rate. If pressure is too high, check fuel return line. If readings are still not as specified, replace regulator.
FUEL PRESSURE SPECIFICATIONS

Application psi (kg/cm2 )
All Models 33-39 (2.3-2.8)