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GM How-To Post your GM and Duramax Mods and Installs in here |
07-25-2019, 08:20 AM
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#1
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Name: 4x4dually
Title: Moderator
Status: Not Here
Join Date: Jan 2007
Location: Stillwater, OK
Member`s Gallery
Posts: 31,789
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Fuel Tank Inlet Issues. Gas Pump handles shut off.
Paw-n-law has an issue with a 2013 GMC 2500. It's gas, but every time he puts the gas pump nozzle in now and squeezes the trigger, the auto-shut off cuts the fuel. His gravity flow tank works ok but any of the station pumps won't.
Anyone had this issue? Is it a function of a fill tube issue or a vent line issue?
I'm going to google it now but thought I'd ask here in case someone has had this trouble.
__________________
Jory 2009 4x4 3500 MCLB
"There are people far less intelligent than you making a living doing this stuff." - Jeff Mumau
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07-25-2019, 08:25 AM
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#2
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Name: 4x4dually
Title: Moderator
Status: Not Here
Join Date: Jan 2007
Location: Stillwater, OK
Member`s Gallery
Posts: 31,789
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Or is it an Evap canister issue? I guess I need to research and see if those trucks even has an Evap? More EPA bullschitd.
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07-25-2019, 08:50 AM
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#3
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Name: 06 DIESEL
Title: Dead Eye Firearms LLC
Status: Not Here
Join Date: Sep 2007
Location: Airville, PA
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Posts: 5,115
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I have the same issue with my '79 Silverado. I stick the nozel in upsidedown and at a 45* angle and it flows just fine. I blame it on the way the fill tube flows, but it has done that since it was new per my uncle who bought it new. No idea why one would just start having an issue unless the vent tube got mud dobbers on something clogging it up.
__________________
Travis
My rig - 2021 Mega 3500 SRW
My Classic - 79 Chevy Silverado
Quote:
Originally Posted by RonA
Trucks are like women. Sometimes you just need to spend money on them to keep them happy.
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07-25-2019, 08:58 AM
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#4
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Name: 4x4dually
Title: Moderator
Status: Not Here
Join Date: Jan 2007
Location: Stillwater, OK
Member`s Gallery
Posts: 31,789
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From what I'm reading these trucks have an "Evap" canister full of charcoal. Some bullshidt the EPA mandated on them to "save the planet" or some crap. It becomes clogged. I've got paw-n-law trying to find it. His truck started doing it lately, not something it has always done. Probably plugged up somewhere. Just need to figure out where.
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07-25-2019, 10:43 AM
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#5
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Name: smokinVE
Title: $$+VE=NO HP
Status: Not Here
Join Date: Aug 2011
Location: Desart
Member`s Gallery
Posts: 1,731
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Vent solenoid and/or evap canister is plugged with fine dirt OR the in bed gas tank has way over filled the tank and the canister is full of fuel. It’ll eventually set an evap code. 2013 is right on the break point from when we moved the fresh air for the vent.
This will cover it I think, I didn’t watch the whole video
Chevy Truck Hard To Fill Gas Tank - GM EVAP Codes P0442, P0446, P0455 or P0449 Vent Solenoid replace - YouTube
__________________
93D350, VE powered, slow but reliable:-))
Quote:
Originally Posted by jasonc
I don't think they let hair sniffer twit much. Or the little gay guy. Only the Indian does.
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07-25-2019, 11:25 AM
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#6
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Name: 06 DIESEL
Title: Dead Eye Firearms LLC
Status: Not Here
Join Date: Sep 2007
Location: Airville, PA
Member`s Gallery
Posts: 5,115
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My '79 has that stupid charcoal canister on it also, wonder if that is the culprit. I'll have to check on it the next time I go to fill it up, in a few years, I think I have put 5 miles on it in the last 10 years.
__________________
Travis
My rig - 2021 Mega 3500 SRW
My Classic - 79 Chevy Silverado
Quote:
Originally Posted by RonA
Trucks are like women. Sometimes you just need to spend money on them to keep them happy.
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07-26-2019, 08:43 AM
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#7
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Name: turbom700
Title: Too Much Time
Status: Not Here
Join Date: Jun 2007
Location: minneapolis mn
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Posts: 1,186
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Or 10 Suburban does this, I dug into and the probably is they vent the tank fill back into the fuel filler neck roughly 3" from the tip. If you rotate the nozzle when filling it wont trip out. I don't know why but it also helps if you shut the vehicle off when filling. Which I hate special in the winter months, but it better then standing outside freexzing my fingers off trying to get the dam thing to fill.
__________________
2001 Ford F-350 CCSB The usal stuff
1997 s10 2wd 350sbc 4l80e
2000 vw gold tdi
1999 Sportsman DIESEL
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07-29-2019, 05:55 AM
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#8
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Name: 4x4dually
Title: Moderator
Status: Not Here
Join Date: Jan 2007
Location: Stillwater, OK
Member`s Gallery
Posts: 31,789
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He took the canister off it, beat around on it, blew it out, cleaned all the dirt out of the vent lines, etc. Works great now. It is just air restriction.
__________________
Jory 2009 4x4 3500 MCLB
"There are people far less intelligent than you making a living doing this stuff." - Jeff Mumau
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