Join Now
International Automotive Technicians Network

P0456 Diagnostic Trouble Code Discussion for May 2010

EVAP System Small Leak


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2002 Dodge Durango R/T 4.7L MIL Lamp on VIN: 1BF4HS38N9
P0456: EVAP System Small Leak (0.020") Detected. well im stuck. Customer came in with evap large and small leak codes. tested vehicle with smoke machine could find no leaks anywhere. although gas cap is aftermarket but it is new. so i tested and found a bad NVLD pump and replaced that cleared the light and r...
May 06, 2010
2007 Chrysler Sebring 2.7L MIL Lamp on VIN: 1C3LC56RX7
P0456: EVAP System Small Leak. Car came in for code P0456. Pressure tested evap system, held pressure ok, flow ball at bottom of flow gauge indicating no flow, no leak. Smoke tested anyway and did not see any smoke leaking from anything. Checked the purge solenoid to make sure it wasn't lea...
May 09, 2010
2007 Toyota Highlander 2.4L MIL Lamp on VIN: JTEGD21A07
P0456: EVAP System Very Small Leak Detected. ... did smoke test and pass only if disconnect and block vent valve hose, wich I would say its normal, nevertheless the car has come and go many times and always return with MIL ON and codes P043E, p043F, P0441, P0455, P0456, p2451, P2420 stored. I've already ...
May 10, 2010
2007 Chrysler Sebring 2.7L MIL Lamp on VIN: 1C3LC56RX7
P0456: EVAP System Small Leak. Car came in for code P0456. Pressure tested evap system, held pressure ok, flow ball at bottom of flow gauge indicating no flow, no leak. Smoke tested anyway and did not see any smoke leaking from anything. Checked the purge solenoid to make sure it wasn't lea...
May 18, 2010
2002 Dodge Durango R/T 4.7L MIL Lamp on VIN: 1BF4HS38N9
P0456: EVAP System Small Leak (0.020") Detected. well im stuck. Customer came in with evap large and small leak codes. tested vehicle with smoke machine could find no leaks anywhere. although gas cap is aftermarket but it is new. so i tested and found a bad NVLD pump and replaced that cleared the light and r...
May 06, 2010
2007 Chrysler Sebring 2.7L MIL Lamp on VIN: 1C3LC56RX7
P0456: EVAP System Small Leak. Car came in for code P0456. Pressure tested evap system, held pressure ok, flow ball at bottom of flow gauge indicating no flow, no leak. Smoke tested anyway and did not see any smoke leaking from anything. Checked the purge solenoid to make sure it wasn't lea...
May 09, 2010
2007 Toyota Highlander 2.4L MIL Lamp on VIN: JTEGD21A07
P0456: EVAP System Very Small Leak Detected. ... did smoke test and pass only if disconnect and block vent valve hose, wich I would say its normal, nevertheless the car has come and go many times and always return with MIL ON and codes P043E, p043F, P0441, P0455, P0456, p2451, P2420 stored. I've already ...
May 10, 2010
2007 Chrysler Sebring 2.7L MIL Lamp on VIN: 1C3LC56RX7
P0456: EVAP System Small Leak. Car came in for code P0456. Pressure tested evap system, held pressure ok, flow ball at bottom of flow gauge indicating no flow, no leak. Smoke tested anyway and did not see any smoke leaking from anything. Checked the purge solenoid to make sure it wasn't lea...
May 18, 2010