Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means: EVAP Purge System Fault
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means: EVAP Purge System Fault
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
Where to hook code reader 2002 envoy
The code number is P0440 not 1744 see: http://www.obd-codes.com/forums/2669-obd-codes-2001-chevy-cavalier-p0440-evap-code-check-enginehelp.html