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P0440 Diagnostic Trouble Code Discussion for October 2006

General EVAP System Failure


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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2002 Chevrolet Avalanche 1500 5.3L MIL Lamp on VIN: 1G134TD342
P0440: purge solenoid leaking no switching under manual command but current is responding. anyone seen this set up with ecm providing ground and not enough continuity to pull solenoid shut? I am leaning towards a bad solenoid , but during my tests I put 12v and ground to connections and solenoid works fine. bad driver? or will a weak solenoid refu...
October 04, 2006
2003 Toyota Corolla CE 1.8L MIL Lamp on VIN: 1NXBR32E23
P0440: EVAP Control System Large Leak Detected. ... has been in 3 times for check engnine light, code p0440, evaporation code. we checked the system & found no problems. We thought it may have been loose fuel cap but it has happened 2 more times. It takes several weeks befor the light comes back on. The...
October 04, 2006
2002 Chevrolet Avalanche 1500 5.3L MIL Lamp on VIN: 1G134TD342
P0440: purge solenoid leaking no switching under manual command but current is responding. anyone seen this set up with ecm providing ground and not enough continuity to pull solenoid shut? I am leaning towards a bad solenoid , but during my tests I put 12v and ground to connections and solenoid works fine. bad driver? or will a weak solenoid refu...
October 05, 2006
2001 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNDT13WO1
P0440: EVAP System No Flow During Purge. I have little diagnostics aids for this suv i smoked vacumn system under hood and found 2 split hoses near lf fender rear spring and replaced then customer returned in about 140 miles i replaced selinoid on firewall with known good part from another blazer sam...
October 11, 2006
1996 Nissan Pathfinder LE 3.3L MIL Lamp on VIN: JN8ARO5Y8V
P0440: EVAP System Small Leak Detected. Car came in with MULTI codes within computer. Have changed , o2 sensor, gas cap (for leak), Fuel filter and the "evap canister purge cut solenoid valve" this name was taken off the emission label from under the hood. Mil light cam back on 2 weeks l...
October 12, 2006
2001 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C81
P0440: EVAP Control System Large Leak Detected. First visit - P0440 code found, gas cap tightened, code deleted. --- Second visit - P0446 code found, test all (3) vacuum switching solenoids, visually inspect hoses & canister, provide services pertaining to TSP EG007-05 (clean blockage in hose orifice ne...
October 12, 2006
2002 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR12E72
P0440: EVAP Control System Large Leak Detected. ... arrived with a P0440 and P0446. Tested as per Shop Key, led to the conclusion that it was an intermittant problem. Didn't believe it. Replace cannister/solenoid asm. Returned 2 days later, light back on, P0440. It appeared to have a vapor leak at the canni...
October 12, 2006
2000 Toyota Avalon XL 3.0L MIL Lamp on
P0440: EVAP Control System Large Leak Detected. I checked the Canister Closed Valve and it was bad and replaced it per the TSB EG013-03. PO440 code came back two days later. I vacuum and pressure checked the system and found no leaks. Inspected all hoses and lines. I checked the vapor pressure sensor and t...
October 26, 2006
2001 Toyota 4Runner SR5 3.4L MIL Lamp on VIN: JT3HN86R11
P0440: EVAP Control System Large Leak Detected. ... EVAP Vent Control Malfunction. We check the system and found the solenoid on the canister was stuck open, removed canister and inspected lines, replaced solenoid, cleared codes and shipped. This code also set the VSC and ABS lights, but this went away when...
October 31, 2006
2002 Chevrolet Avalanche 1500 5.3L MIL Lamp on VIN: 1G134TD342
P0440: purge solenoid leaking no switching under manual command but current is responding. anyone seen this set up with ecm providing ground and not enough continuity to pull solenoid shut? I am leaning towards a bad solenoid , but during my tests I put 12v and ground to connections and solenoid works fine. bad driver? or will a weak solenoid refu...
October 04, 2006
2003 Toyota Corolla CE 1.8L MIL Lamp on VIN: 1NXBR32E23
P0440: EVAP Control System Large Leak Detected. ... has been in 3 times for check engnine light, code p0440, evaporation code. we checked the system & found no problems. We thought it may have been loose fuel cap but it has happened 2 more times. It takes several weeks befor the light comes back on. The...
October 04, 2006
2002 Chevrolet Avalanche 1500 5.3L MIL Lamp on VIN: 1G134TD342
P0440: purge solenoid leaking no switching under manual command but current is responding. anyone seen this set up with ecm providing ground and not enough continuity to pull solenoid shut? I am leaning towards a bad solenoid , but during my tests I put 12v and ground to connections and solenoid works fine. bad driver? or will a weak solenoid refu...
October 05, 2006
2001 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNDT13WO1
P0440: EVAP System No Flow During Purge. I have little diagnostics aids for this suv i smoked vacumn system under hood and found 2 split hoses near lf fender rear spring and replaced then customer returned in about 140 miles i replaced selinoid on firewall with known good part from another blazer sam...
October 11, 2006
1996 Nissan Pathfinder LE 3.3L MIL Lamp on VIN: JN8ARO5Y8V
P0440: EVAP System Small Leak Detected. Car came in with MULTI codes within computer. Have changed , o2 sensor, gas cap (for leak), Fuel filter and the "evap canister purge cut solenoid valve" this name was taken off the emission label from under the hood. Mil light cam back on 2 weeks l...
October 12, 2006
2001 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C81
P0440: EVAP Control System Large Leak Detected. First visit - P0440 code found, gas cap tightened, code deleted. --- Second visit - P0446 code found, test all (3) vacuum switching solenoids, visually inspect hoses & canister, provide services pertaining to TSP EG007-05 (clean blockage in hose orifice ne...
October 12, 2006
2002 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR12E72
P0440: EVAP Control System Large Leak Detected. ... arrived with a P0440 and P0446. Tested as per Shop Key, led to the conclusion that it was an intermittant problem. Didn't believe it. Replace cannister/solenoid asm. Returned 2 days later, light back on, P0440. It appeared to have a vapor leak at the canni...
October 12, 2006
2000 Toyota Avalon XL 3.0L MIL Lamp on
P0440: EVAP Control System Large Leak Detected. I checked the Canister Closed Valve and it was bad and replaced it per the TSB EG013-03. PO440 code came back two days later. I vacuum and pressure checked the system and found no leaks. Inspected all hoses and lines. I checked the vapor pressure sensor and t...
October 26, 2006
2001 Toyota 4Runner SR5 3.4L MIL Lamp on VIN: JT3HN86R11
P0440: EVAP Control System Large Leak Detected. ... EVAP Vent Control Malfunction. We check the system and found the solenoid on the canister was stuck open, removed canister and inspected lines, replaced solenoid, cleared codes and shipped. This code also set the VSC and ABS lights, but this went away when...
October 31, 2006