2001 silverado 5.3 p0446 - GM Truck Club Forum
2008年7月17日 · I keep getting a P0446 code on my truck and have been reding on the net and found this true. 04-06-0055) for code P0446 on 2000-03 Cadillac, Chevrolet and GMC full size utility trucks. </P> The charcoal canister stores gasoline vapors from the tank. When certain driving conditions are met, the computer supplies power to the purge and vent ...
EVAP Code P0446 Help - GM Truck Club Forum
2017年5月4日 · My 2006 Silverado threw the code P0446 (EVAP Vent circuit malfunction). I looked at some of the other boards online as to find out how to fix. I have replaced the purge valve solenoid in the engine compartment and the vent valve solenoid under the truck. When I replaced the vent valve, I realize that it had been replaced back in 2011.
What is this engine component? - GM Truck Club Forum
2024年11月28日 · I have a P0446 (EVAP) code. I hear a strange type of "buzzing" sound coming from the engine bay when the truck is running. It is not constant, but it is frequent enough that I have been able to pinpoint its source. It appears to be coming from some sort of valve that is mounted on the fuel rail on the left side of the engine.
Evap Problems P0442,P0446,P0455,P0496 | GM Truck Club Forum
I have a 2003 silverado 15004.3L it's throwing codes P0442,P0446,P0455,P0496 I have changed the charcoal canister vent valve, purge valve, gas cap reset the codes and they haven't gone away any ideas on what It could be or what I can do will be greatly appreciated
P0446 EVAP Code (check engine light) | GM Truck Club Forum
2009年7月7日 · PO446 EVAP code I think that was the code my 05 threw back in May and found the EVAP solenoid was bad. GM has a updated solenoid I purchased from local Chevy dealer (couldnt fine a aftermarket part) for $150.00. You have to run a hose from valve to front of truck for the vent. I mounted mine up near brake booster to keep water out when off road.
error code P0446 (04 tohoe) - GM Truck Club Forum
2011年3月3日 · Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine. Symptoms You likely won't notice any drivability problems. Causes A code P0440 could mean one or more of the following has happened:
Quick regarding EVAP system (P0446) | GM Truck Club Forum
2017年3月8日 · I've replaced the evap vent purge valve located under the hood, did a code reset and it worked. A few days later, code came back. Next, I replaced the evap vent solenoid, and hose, located next to the canister, did a code reset and it worked. A few days I got a "tighten gas cap" warning. A few days after that, the code on the dash came back.
Check Engine code p0442 - GM Truck Club Forum
2018年11月15日 · Purge sol on intake man creates a vacuum and the in tank pressure sensor sees the vacuum rise too quickly which causes the 442 code. most common is the vent valve under the truck bed area.. lots of crap causes the vent valve to leak ..but can be other leaks rust holes in the fuel vapor system .. many do a smoke test less guessing ..
Filling gas tank and pump keeps shutting off, replaced...
2017年10月6日 · Subject: DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit) Models: 1999-2007 Chevrolet Silverado (Classic) Models 1999-2007 GMC Sierra (Classic) Models 2007-2008 Chevrolet Silverado Models 2007 …
P0446 Code on my 2007 Chevy Avalanche | GM Truck Club Forum
2014年7月12日 · P0446 Code on my 2007 Chevy Avalanche Jump to Latest 3.9K views 5 replies 4 participants last post by Dueck Jul 22, 2014