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 …

2004年4月6日 · LR4, LM4, LM7, L59, LQ9, LQ4, L18 DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Service Engine Soon (SES) Lamp Illuminated (Replace Vent Solenoid and Bracket) …

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... in this thread in this sub …

P0446 on 2005 Impala v6 3800. Is the first step the vent valve and if so where is it other than near the ...

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 …

2011年3月3日 · After following the Service Manual diagnostic P0446 and determining that the EVAP canister vent valve is the cause of the SES light, replace the existing EVAP canister …

2013年5月24日 · Several codes came up, including p0446 and a couple of others (misfire & vacuum leak stuff). At that time, replaced plugs, wires, distributor cap & rotor, vapor canister, …

2014年12月10日 · Causes A code P0446 could mean one or more of the following has happened: Faulty vent valve Open, short or excessive resistance on Vent valve control circuit Blockage of …

2017年3月8日 · I have a 2008 silverado 4.8l. It is throwing a P0446 code, and after going through forums and fixes online, it seems like my best bet is to start with blowing out/replacing the …

2016年5月24日 · I've got a 2001 Silverado 1500 with the 4.8 V8. The truck has 84,000 miles on it and has the P0446 code and P0446 pending code. I did some research and replaced the vent …