Avenger V6-2.5L VIN N (1998)
Fuel Pressure: Testing and Inspection
Fuel Pressure Test
1. Release residual pressure from the fuel line to prevent fuel spray.
2. Remove the fuel plate from the fuel rail.
CAUTION: Cover the fuel plate with shop towel to prevent splash of fuel that could be caused by some residual pressure in the fuel pipe line.
3. Remove the union joint and bolt from the special tool (adapter hose MD9987O9) and instead attach the special tool (hose adapter MD998742) to
the adapter hose.
4. Install a fuel pressure gauge on the adapter hose that was set up in step 3.
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Use a suitable 0-ring or gasket between the fuel pressure gauge and the special tool so as to seal in order to prevent fuel leakage at this time.
5. Install the special tool, which was assembled in steps 3 and 4 between the fuel rail and the fuel plate.
6. Use the scan tool "Fuel System Test to drive the fuel pump. Check no fuel leakage in the fuel pressure gauge connection and the special tool
connection.
7. Start the engine and run at idle.
Fuel Pressure Test
8. Measure fuel pressure while the engine is running at idle.
