Chrysler PT Cruiser 2001 Service Manual Supplement page 2656

DRIVEABILITY - GAS
Symptom:
*CHECKING FUEL DELIVERY
FUEL PUMP CAPACITY (VOLUME) OUT OF SPECS
TEST
1 Note: The fuel pressure must be within specification before continuing.
Turn the ignition off.
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.
Disconnect the fuel supply line at the fuel rail.
Connect fuel line adapter #6539(5/16 ) or #6631(3/8 ) to the disconnected fuel supply
line. Insert the other end of the adapter into a graduated container.
Caution: Do not operate the fuel pump for more than 7 seconds in the next
step. Fuel pump module reservoir may run empty and damage to the fuel
pump will result.
Note: Specification: A good fuel pump will deliver at least 1/4 liter (1/2 pint)
of fuel in 7 seconds.
Turn the ignition on.
With the DRB, actuate the ASD Fuel System test for 7 seconds.
Is the fuel pump capacity within specification?
Yes → Test Complete.
→ Check for a kinked/damaged fuel supply line between the fuel
No
Caution: Stop All Actuations.
POSSIBLE CAUSES
ACTION
tank and fuel rail. If OK, replace the fuel pump module.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
196
APPLICABILITY
All