Chrysler PT Cruiser 2001 Service Manual Supplement page 2583

Symptom:
P0441-EVAP PURGE FLOW MONITOR
When Monitored and Set Condition:
P0441-EVAP PURGE FLOW MONITOR
When Monitored: With engine temperature greater than 76°C (170°F), fuel control in
closed loop, engine idling for 2 minutes, no low fuel, MAP less than 15.7 inches mercury
and barometric altitude less than 8,000 feet.
Set Condition: After having passed the Leak Detection Pump (LDP) test, no vapor flow
through the evaporative system is detected by the evap monitor.
EVAP CANISTER
WIRING HARNESS INTERMITTENT
EVAP PURGE HOSE (CANISTER TO FUEL TANK)
EVAP PURGE HOSE (SOLENOID TO CANISTER)
EVAP PURGE SOLENOID VACUUM SUPPLY
EVAP PURGE SOLENOID (LEAKY/STUCK OPEN)
EVAP PURGE SOLENOID (STUCK CLOSED)
TEST
1 Turn the ignition on.
With the DRBIII , read DTC's.
Is the DTC Specific Good Trip Counter displayed and equal to zero for P-0441?
Yes → Go To 2
→ Go To 8
No
2 Visually inspect the Evap canister. Look for any physical damage or any signs of fuel
that has entered the canister. Any signs of fuel may indicate a bad rollover valve.
Were any problems found?
Yes → Repair or Replace as necessary.
→ Go To 3
No
3 Visually inspect the Evap purge hose that goes between the Evap canister and the
fuel tank. Look for any physical damage such as a pinched, plugged, ripped or dry
rotted hose.
Were any problems found?
Yes → Repair or replace hose as necessary.
→ Go To 4
No
POSSIBLE CAUSES
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - GAS
123
APPLICABILITY
All
All
All