PT Cruiser L4-2.4L Turbo (2009)
line, the fuel system pressure must be released.
1. Turn the ignition off.
2. Disconnect the Fuel Pressure Decay Tester 8978A.
3. Raise the vehicle on a hoist, and disconnect the fuel pressure line at the fuel pump module.
4. Install the Fuel Pressure Decay Tester 8978A between the fuel supply line and the fuel pump module.
5. Ignition on, engine not running.
6. With the scan tool, actuate the ASD Fuel System test and observe the fuel pressure gauge.
NOTE: Fuel pressure specification is 407 KPa ± 34 KPa (59 psi ± 5 psi).
Is the fuel pressure within specification now?
Yes
-
Repair/replace fuel supply line as necessary.
-
Perform the POWERTRAIN VERIFICATION TEST. See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code
Tests and Associated Procedures/Verification Tests/Powertrain Verification Test.
No
-
Go To 4 CAUTION: Stop All Actuations.
4. CHECKING FUEL INLET STRAINER
WARNING: The fuel system is under a constant pressure (even with the engine off). Before testing or servicing any fuel system hose, fitting or
line, the fuel system pressure must be released. Failure to follow these instructions can result in possible serious or fatal injury.
1. Turn the ignition off.
2. Remove the Fuel Pump Module and inspect the Fuel Inlet Strainer.
Is the Fuel Inlet Strainer plugged?
Yes
-
Replace the Fuel Pump Inlet Strainer.
-
Perform the POWERTRAIN VERIFICATION TEST. See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code
Tests and Associated Procedures/Verification Tests/Powertrain Verification Test.
No
-
Replace the Fuel Pump Module.
-
Perform the POWERTRAIN VERIFICATION TEST. See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code
Tests and Associated Procedures/Verification Tests/Powertrain Verification Test.
5. (N1) FUEL PUMP RELAY OUTPUT CIRCUIT