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P0446 EVAP Vent Problem. Getting The Parts Store To Give You Codes Is Not Fixing The Issue..
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- čas přidán 4. 09. 2024
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Man kenny you are a good mechanic bud, you're the 1st person I've seen figure this out and actually explain whats going on. I hope my ODB2 reader can check that fuel tank pressure like you showed there. I had a P0448 code and I replaced the evap vent that the code was pointing to, but after a reset it came back. I checked to make sure that the new vent is holding and it is, and I checked to make sure my box isn't clogged or broken so that should be fine. I'm guessing the tank sensor as you say is bad, time to dig in and check. Thank you for the good info!
Great video. Fellow tech here just watching videos. Down to earth explanation with a detailed description and verified repair. Excellent!
Like how you stay right with the subject I under stood everything to point just as well as you got to point you was a teacher thank you
Finally some one who you under stand on this matter 2 weeks I been trying to chase this problem tell I seen your video thank you
Perfect timing. I have been chasing this P0446 issue for a little while now on a 2010 Chevy HHR. The freeze frame data is showing Excess Vaccum and it's saying -12.9 mm/hg or -7 inches of water.
The tank always seems to be around -12.9mm/Hg and 2.88v tank pressure
The vent solonoid was replaced, charcoal canister is not plugged, all lines are not blocked.
I'd be willing to guess that the tank sensor is skewed. That was my initial thought with this one as I've seen it numerous times.
@@WrenchingWithKenny thanks for the info. I have to drop the tank to get to that sensor haha.
@@oxygen454 ooofff . Sorry man
1.5V is the normal GM FTP sensor voltage at atmospheric pressure. It's a good number to know for most, if not all, GM evap systems.
Best video ive found for this problem. Thank you
Thank you !!
Your pretty good at this stuff reminds of my brother . While I complain and say nah it aint it. He be seeing stuff that isnt there and fixes it
Great video. Question: I have a 2004 Chevy Impala that I suspect has a bad purge solenoid. Once I change the part, and assuming the readings are all good , how long does it take for the check engine light to go out? I don’t want to reset the code with my scanner because it takes about two weeks for the monitors to reset and I need a state inspection done ASAP.
Great video thanks for the info
Thanks for watching. Keep wrenching 🔧
Thanks for the video.😊
For me it was my fuel pressure sensor. Buick park Avenue
Thanks good info
Thank you!!!
I have no codes but after I refuel for the first quarter tank of gas have intermittent sputtering idle. Once I get below 3/4 tank smoth running til I fill up again
👍
So, connectors degrade, possibly more often than parts fail.
Hi From Trinidad my speedo mater keep jumping cau u help me with my problem
Spray with WD-40 the connector
Cheap un plated connectors as used in car industry...Usually aluminium, they oxidise over time. Plug in and out a few times usually fixes the problem...I didn't know fuel tanks had barometric pressure sensors on them...🤔😳😳...Fuel filler caps with a tiny breather hole in them...lol....what happened to that, and when?....🤔🤔😳😀😏🇬🇧