LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 1998 >> Trooper LS >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel System Pressure Release
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel System Pressure Release

  1. Loosen fuel filler cap to relieve tank pressure. Remove fuel pump relay. See FUEL PUMP RELAY LOCATION .
  2. Start engine and allow it to run until it stalls. Loosen hose clamp of fuel line on side of pressure regulator coming from fuel line inlet distributor pipe.
  3. Cover fuel hose using a shop towel. Slowly pull hose from pressure regulator to relieve fuel pressure. When fuel stops leaking, reinstall hose and clamp.
FUEL PUMP RELAY LOCATION

Model Location
Hombre At Top Of Glove Box
Amigo, Rodeo & Passport On Right Fender Panel, Near Battery
Trooper & SLX In Right Fenderwell Relay Box