2001 GMC Sonoma Extended Cab "code p440" Questions

Is the DTC codes p440,p410 somehow linked together and will this cause not to start sometimes Sometimes won't start after it rains Check the distributor cap for cracks.

...P440 and P446 codes. I reset code via OBD and comes back in 120 miles. I already replaced GasCap You need a Catalytic converter and possibly a Evap. cannister Replace the o2 sensor and clean or break ...

engine code p440 the code ur are getting on your envoy is a emiision problem first you could try a new gas cap its a known problem in setting this code ...hope this helps

engine code p0440 2001 camery The P440 means that Evaporative Emission Control System._______________car code scanner

...montana 3.4 trouble code p440 on the road in a sudden the motor cut off three to for time in second thnrun good again thats a evap code should not turn the car off you are heaving some other ...

where is charcoal vapor cannister on 2001 toyota echo check engine light on,,,,code p440 under the rear of the vehicle under the trunk

failed emmission test codes PO420, P440, PO441, PO446 whats wrong? do i need to replace the oxygen sensor Answered the other similar question

what it mean code p440 EECS.pruge flow.

Where is the evap vent valve soleniod located on Chevy impala ls 2000? I keep getting an error code P440. https://www.fixya.com/cars/t19464249-evap_vent_valve_solenoid_location

...code p440 This code is for an evap system large leak. Could be cause by something as simple as a gas cap or by a bit more complex stuck open vent solenoid. Make sure your gas cap o-ring isnt ...