Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: Still reading p0455 evaporate test complete no leaks on hoses on 2004 Pontiac GTO

the car now smells like gas any ideas?
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, 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.
I understand the meaning of the code. I did a smoke test to see which vaccum hose was leaking and none were. The car still smells like gas, and I dont hear any vacuum noise.
Didn't find what you were looking for?