2018年8月27日 · Eric, I recently got the check engine light (P0455 code) on my 07 6.2 Yukon Denali.

2014年1月29日 · I had been dealing with the P0455 for almost 8 months. All of those with intermittent Check Engine dash icon illuminating. Would also usually receive a "Tighten Gas Cap" message prior to check engine light coming on. Noticeable decrease in …

2013年12月13日 · Thought I would share my story on the p0455 issues with my 2005 tahoe. Usually this tells me that I have a leak in the evap system and to inspect things like gas filler neck, gas cap, canister, operate purge/vent solenoids. I was lucky enought to borrow a smoke machine to try and find the...

2004 gmc envoy 4.2L codes p0455 evap system leak (large) and p0410 secondary air injection system. Common causes?

No check engine light is on, but my car is throwing P0455 code, and is having issues accelerating and poor fuel economy.

I have a 2004 GMC Envoy 4.2L and I have code P0455 code, we replaced vent solenoid, purge solenoid and a broken evap

2018年11月3日 · 2005 Suburban Z71 with a 5.3. The code is Evap large leak detected. Reasonably sure it is not the gas cap. I replaced it with a brand new AC Delco part, because the rubber was showing some signs of wear. The code is on its way back (has not set the check engine light, but has put a message...

2022年7月27日 · Hi Guys I'm showing a code of P0455 on my 6.0L Denali and was wondering what might be the first place to look for this (EVAP) Malfunction? Thanks Guys. Any help appreciated.

GM: I have a 2007 GMC Envoy 4.2. I have a code P0455. All of… I have a 2007 GMC Envoy 4.2. I have a code P0455. All of the lines and hoses look good. What could cause this? Answered in 16 minutes by: GM Mechanic: Randy Hi, My name isXXXXX will assist you with your 2007 GMC Envoy. This could be the EVAP canister purge solenoid valve.

Is the engine all stock? Got it. So for the P0011 code, I have to think there's a problem with the VVT actuator or the camshaft position sensor then. Possibly a timing chain issue, but that's rare on these engines. Have you tried replacing any parts yet? The P0455 code is …