2500 4x2 Pickup V8-318 5.2L Magnum (1994)
Fuel Pressure Test - Typical
2.
Connect the 0-414 kPa (0-60 psi) fuel pressure gauge (from Gauge Set 5069) to test port pressure fitting on fuel rail.
3.
Note pressure gauge reading. Fuel pressure should be approximately 241-310 kPa (35-45 psi) at idle.
4.
If pressure is at 0 psi, refer to No Trouble Code Tests in Computers and Control System.
If operating pressure is above 45 psi fuel pump is OK. Replace fuel filter/fuel pressure regulator assembly.
