I replaced gas cap in 2008 Infiniti QX56 what else would cause p0455?

Question

I replaced the gas cap in 2008 Infiniti QX56 what else would cause p0455? A large gross leak

Answer 1

Hi there

There are several possible causes for this code, the gas cap is only one. The most common issue I see is the vent control valve sticking open. Here is a complete list of possible causes.

P0455 INFINITI - EVAP Control System Gross Leak Detected
Read more: https://www.autocodes.com/p0455_infiniti.html