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Home >> Dodge and Ram >> 1998 >> Caravan Base, 3.8 L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - 3.8L >> Fuel System >> Fuel System Pressure Release
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Fuel System Pressure Release

WARNING: ALWAYS release fuel pressure before disconnecting any fuel injection-related component. DO NOT allow fuel to contact engine or electrical components.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
  1. Ensure ignition is off. Disconnect negative battery cable. Remove fuel tank filler cap. Remove protective cap from service port on fuel rail.
  2. Service port is located near center of front (radiator side) fuel rail.
  3. Place end of Hose (C-4799-1) into an approved fuel container. Attach remaining end of hose at service port on fuel rail. Use care, as fuel system may be under pressure. Fuel pressure will be released from fuel system. Remove hose, reinstall protective cap, fuel tank filler cap and negative battery cable.
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