Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: The car is pulling obd code p0455 and p0455pd on 2004 Pontiac GTO

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
This only happens when the I drive the car, park it for 5mins jump back in and start it up. I have replaced the gas cap and its still pulling the codes
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
this obd2 trouble code table can help you understand the meaning of code,
http://www.chinasinoy.com/service/how-to-understand-trouble-codes-37.html
and for this code, I think you can try this,
Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
Otherwise, replace the gas cap, and/or
Inspect the EVAP system for cuts/holes in tubes/hoses (you may hear a vacuum noise or smell fuel), repair if necessary
P0455 EVAP LARGE LEAK DETECTED, eVAP SYSTEM IS UNABLE TO ACHIEVE VACCUM DURING DIAGNOSTIC MODE. You might want to take it to a shop for them to perfom Evap performance test.
Didn't find what you were looking for?