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Home >> Isuzu >> 1990 >> Impulse Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - EFI >> Fuel System >> Fuel System Pressure Release >> Trooper 2.8L

Trooper 2.8L

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  1. Disconnect negative battery cable. Loosen fuel tank filler cap to relieve air pressure.
  2. Cover fuel inlet line fitting at throttle body with shop towel. Loosen fitting slowly to release fuel pressure.
  3. Internal constant bleed feature of throttle body releases most fuel pressure when engine is turned off. When fuel stops leaking, tighten fitting. Reconnect negative battery cable.
FUEL PUMP RELAY LOCATION

Model Location
Amigo & Pickup On Right Fender Panel, Near Battery
Impulse On Left Fender Panel, Behind Battery
Trooper On Left Firewall, Near Brake Master Cylinder
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