Don't Let The Smoke Out! EVAP Leak Testing A Subaru Forester w/ Redline Detection. P0442 Diagnosis.
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- Опубликовано: 16 июл 2024
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A real cute component of the EVAP system is the fuel tank pressure sensor. On my '11 Outback it is hidden way up over the rear axle and tucked away pretty good. Mine failed and set the code and I spent a couple hours replacing it in an area where snow-belt corrosion makes work so, so easy. LOLOL! I performed a smoke check with a hillbilly setup that uses Johnson's Baby Oil - easy to see and smell when there's a leak. Great video on an obscure but pretty important nightmare of a system.
Have subaru 2.5 I can't figure out why my rpm stays at 1500 replaced throttle body any help would be appreciated
Subaru engine was off a 2000 out back it's a subaru swap in my 86 vw vanagon. It does have a few codes of fuel pressure and tank code if I install a code killer with that help.
I would of like to see how you setup and show the working of the smoke machine. Thanks
yep, don't use the cheap fuel with the lots of ethanol in it. It is unbelievable how the government gets way with destroying cars with their road salt and ethanol gas...
Keep more good content on the 2006 Forester coming! 😎👍🏻
Great video my 2003 Forester X has that code, but the shop concluded it's a wiring issue up over the rear crossmember above the fuel tank.
Changed the purge valve, the car would flood every time you added gas, been chasing that code for a few years, and the wiring is what the shop is telling me.
That's the only code and everything is working, so I drive my commuter Subaru around with a check engine light on.
This was a great start to understanding the evap system. I would love to see a video on the shutoff system. I've had a few that the charcoal canister, blowing the lines out, and/ or purge fixed but others where it didn't help
Let's not forget the IMAGINARY leak...
You know... The one where the purge valve pulls vacuum, on a perfectly sealed system, but the stuck pressure sensor makes the computer NOT SEE the vacuum/pressure change. It assumes there is a leak.
Yup!
Ty so much! Really enjoyed your explanation of how things work! Doesn't fix my car but helps me to fix it. Just need the smoke tool.😅
Thank you so much for this video! Had my car smell like fuel about six months ago. They replaced the charcoal filter and it was fine. Six months later the same thing happened. They have done this test on the vehicle amongst others several times and never found any issue. We'll see what happens!
Maybe the purge valve is stuck close and didn't drain the canister. That cause the canister to be full of fuel vapor and cause the smell if never drained. I don't tell its your issue but it need to be checked
@@plleger6 That was what I was beginning to suspect after watching the video, great to hear I wasn't the only one. Of course there's several other places to look too but that's a solid start! thx
Wow thanks! Just purchased a forester 2008, and drove it 500 some miles. Temp recently dropped to freezing and now I have an EVAP CEL. Annoying since cruise is disabled, but glad to hear it’s not “serious”. Subscribed to find out the fix for this, thanks!
Most incredible video ever
I'd wish to see you using the smoke machine and explain how to seal the system to perform a smoke test, how to close the drain valve, and how to test the purge valve.
Likely follow up with a video, when I get the new gasket in.
@@MrSubaru1387 I'll follow for sure!
The smoke machines have an expandable part that can go into your intake for example and seal it up enough to send smoke other places
Fixed a similar code on a 06 XT. Fuel cut valves on top of the tank had cracks at the hose nipples. Using my nose helped find this issue.😊
Thanks for the video Robert nicely done 👍❤❤. Take care of yourself and family and Girlfriend and be Blessed ❤️❤️.
Great video, good information for us Subaru owners.
Rust belt vehicles are notorious for those lines and mounts around the evap canister being rusted anf crusty.
When ever I fix a vehicles evap leak if it's not the cap but if it's original or aftermarket I always install them a new OEM cap to save future issues so they don't see me for awhile.
On my 2007 XT, that code has come and gone for the last 2 plus years. A shop has replaced the canister 3 times. Lucky they give me a 2 year warranty on their work.
My 2006 Subaru legacy gas cap says Subaru on it
Dealing with this issue also. Smell of gas inside and outside the car. Replaced the gas cap, replaced the fuel pump. I’m thinking the purge valve is bad. Problem is no idea where it’s at on a 06 tribeca. Also has my sport light blinking even though i did an ATF change. Don’’t know if the mechanic changed out the internal or external filter though.
Red alternator connector cap is damaged, too.
🐁
Hey man i have to put a ej20 where my ej25 used to be (1999 outback), is there anything other than the intake i have to swap? the pully n whatnot all the same, do ya know? thanks!
I've heard that "topping up" when fueling can flood the charcoal canister, leading to the need for a repair/new charcoal canister. Is that correct?
Hey, I stumbled across this video and I found it quite ironic because I also have an EVAP leak on my Subaru. I don't know if you'll ever see this but I have a 2007 Subaru Impreza and there were a couple worrying problems with it so I ended up going to a certified tech for some help and they diagnosed me with a leaking EVAP canister vent value with a hefty price tag to fix. I was wondering if you knew where the EVAP canister vent valve would be located so I could potentially DIY it given I'm in college and not at the best place financially. Thank you.
Mr subaru, i have a issue with a 2017 impreza, it has a po971 code , how much should it cost to fix?
Robert, isn't the evap system why you do not top off your tank especially in hot weather?.
Correct, jogging the pump can over fill the tank and cause liquid fuel to flow into the charcoal canister.
hey ive had the test done on my 2006 saab 9.2xi.5 n still no fix to my codes n had put 6,000.00 in it now..its got cel n cruise flashing..any idea what it could be..my grage wants to drive her off a cliff..its been going on for 8 months now n im broke from it..help me please i had a gas leak under my bk seat but fixed it..
I have a 2006 ForesterLL Bean and keep getting evap codes.I had parts put on it and codes would dissapear.Than codes will come back on!This time its a P0457 code.Does Mr Subaru or anyone know what it could be?Did Gas cap,Charcoal Canister,Purge valve and emission part in engine itself.Dont know what else it could be!
Could a evap leak cause misfires??
Is there a missing fastener on that refrigerant line flange?
Not that I’m aware of.
can you tell us what the average labor costs on the jobs you do? I just want to know I'm not getting ripped off when it comes time for getting work done on my Subarus.
Usually an hour or so diag. Then parts + labor for the replaced parts.
5800? Man I’m glad I was addicted to drugs and boos rather than tools like Robert ffs that’s crazy
🤣🤣🤣 I did get a SEMA special price on it, but still wasn’t cheap.
Have to ask what is the odd fuse on the battery terminal?
The car was a tow behind. Has a lot of aftermarket stuff on it for that, included a tow bar and pneumatic brake pedal application device.
Please get in the habit of using a pen or pencil as a pointing device. Instead of your finger.
Very disappointed I was looking forward to see where was that smoke coming from....what a waste of an expensive smoke machine and not see it at work.
Can you please offer any info on my Subaru forester 2020 all dash lights come on and come and go …. I disconnected the battery and touched leads together but it did not cure the problem … I have appointment with dealer but now they are off … 50k miles on car … if lights are off can dealer still see problem ?? Also car runs fine when lights are on and engine light is on but not blinking
14:27 haha rats love to eat the cover over the alternator output wire.
Yup. Luckily didn’t get anything else, I could see.