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Home >> Jeep >> 1994 >> Wrangler S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 138 (Engine Controls - Basic Testing) >> Fuel System >> Fuel Pressure >> Capacity (Volume) Test
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Capacity (Volume) Test

WARNING: This page is about a different car, the 1994 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE. Disconnect fuel line on fuel rail. Place fuel line into a graduated container.
  2. Remove fuel pump relay (located in power distribution center). Using a jumper wire, connect terminals No. 30 and 87. See Figure . Volume of fuel should be one pint. (.47L) in 30 seconds. If fuel volume is not as specified, check for a plugged fuel filter or fuel pump inlet sock.
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