Join Now
International Automotive Technicians Network

P0456 Diagnostic Trouble Code Discussion for May 2009

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
2004 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1D7HL42N24
P0456: EVAP System Small Leak (0.020") Detected. ... code p0456 small evap leak,we smoked it and found a dry rotted hose at the canister, repaired the leak, reset code and vehicle returned in 2 weeks with the same code, could not find any leaks, we replaced purge solenoid after recommendations by others, cle...
May 15, 2009
2007 Lincoln Town Car Signature Limited 4.6L MIL Lamp on VIN: 1LNHM82W87
P0456: small evap leak. ... vehicle also has the latest calibration in it. the freeze frame data says vehicle speeds is zero and engine load is 44% when the p0456 sets. we are still thinking that some sort of software glitch may be causing this. what do the rest of you ford techs out...
May 21, 2009
2004 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1D7HL42N24
P0456: EVAP System Small Leak (0.020") Detected. ... code p0456 small evap leak,we smoked it and found a dry rotted hose at the canister, repaired the leak, reset code and vehicle returned in 2 weeks with the same code, could not find any leaks, we replaced purge solenoid after recommendations by others, cle...
May 27, 2009
2004 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1D7HL42N24
P0456: EVAP System Small Leak (0.020") Detected. ... code p0456 small evap leak,we smoked it and found a dry rotted hose at the canister, repaired the leak, reset code and vehicle returned in 2 weeks with the same code, could not find any leaks, we replaced purge solenoid after recommendations by others, cle...
May 15, 2009
2007 Lincoln Town Car Signature Limited 4.6L MIL Lamp on VIN: 1LNHM82W87
P0456: small evap leak. ... vehicle also has the latest calibration in it. the freeze frame data says vehicle speeds is zero and engine load is 44% when the p0456 sets. we are still thinking that some sort of software glitch may be causing this. what do the rest of you ford techs out...
May 21, 2009
2004 Dodge Dakota SLT 4.7L MIL Lamp on VIN: 1D7HL42N24
P0456: EVAP System Small Leak (0.020") Detected. ... code p0456 small evap leak,we smoked it and found a dry rotted hose at the canister, repaired the leak, reset code and vehicle returned in 2 weeks with the same code, could not find any leaks, we replaced purge solenoid after recommendations by others, cle...
May 27, 2009