Dodge Caravan P0456 small EVAP leak "Most Common Cause"

In this video I'll be showing you the most common cause of a small evap leak in a 2012 Dodge Grand Caravan. And will also show you where the EVAP system Integrity monitor is located and how to replace it.
I'm starting to notice a very high failure rate and these evaporative emission systems Integrity monitors. Providing your gas cap is good and there's no other leaks in the system that would definitely be the most likely cause of a P0456 in a Dodge Grand Caravan.
Diagnose check engine light sound storage code P0456 small EVAP system leak. inspected gas cap and checked out good. smoke completely EVAP system for leaks and none were found. also manually testing purge valve to make sure was not leaking by and that tested good as well. EVAP system Integrity monitor will need to be replaced.
Vehicle Application:
2012 200 3.6
2010 Town & Country 3.3
2011 Town & Country 3.6
2012 Town & Country 3.6
2010 Town & Country 3.8
2009 Town & Country 4.0
2010 Town & Country 4.0
2010 Grand Caravan 3.3
2011 Grand Caravan 3.6
2012 Grand Caravan 3.6
2010 Grand Caravan 3.8
2010 Grand Caravan 4.0
2010 Wrangler 3.8
2009 Routan 4.0
Customer Concern: Reoccurring check engine light with a code P0456.
Average Reported Mileage: 82065
Tests/Procedures: 1. Smoke-check the Evaporative Emission System. Remove the Evaporative System Integrity Monitor (ESIM) from the charcoal canister and run the smoke machine into the Evaporative Emission System.
Tech Tips: Using a pen laser to shine around the lines and seals while smoke testing may help detecting small leaks.
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Disclaimer:
Due to factors beyond the control of The Flat Rate Mechanic, it cannot guarantee against unauthorized modifications of this information or improper use of this information. The Flat Rate Mechanic assumes no liability for property damage or injury incurred as a result of any of the information contained in this automotive repair video. The Flat Rate Mechanic recommends safe practices when working on cars or trucks with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this repair video. Due to factors beyond the control of The Flat Rate Mechanic, no information contained in this automotive repair video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained.

[@FlatRateMechanic]

Evaporative System Integrity Module for Select Models amzn.to/2D9vgXK

[@joesmith-ds9mg]

The link says ships between 1 and two months, just a heads up lol

[@FlatRateMechanic]

Ya, that crazy. Thanks for the heads up. There are other listing for the same part it looks like.

[@-g.k.4389]

I have no engine light coming on but the code reader gave me po442 and po455.

[@-g.k.4389]

@@FlatRateMechanic and the van is missing the fuel cover door

[@labradoodle5097]

I changed that and it didn't help. It only sets a code once a week or so. Not sure what else other than a cracked hose, could cause this.

[@TheRealKenF]

Just wanted to come on here and thank you for your info! I was able to re-locate my Evan detection pump (after watching another video that described it as being in the front drivers side, however it was a different year van as mine), and I was able to get to it decently and got the part replaced! First repair as a 38 year-old man so I’m pretty proud right about now. Lol thanks again!

[@brentdavis4376]

Thank you for this valuable info. It saved me a lot of time and money as I was able to perform diy replacement without all the usual trial and error on my 2013 Chrysler town and country with P0456 code.

[@skullcraftcustoms]

You rock man!! my 2011 durango is ALWAYS telling me that code or a gascap. 2nd gascap in 2 months until I found you!! Workin great

[@RoamingRoadJunkie]

Thanks for your instructions. I changed my own Evap sys integrity monitor and saved hundreds. Thanks so much 🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉

[@benrandall89]

You just saved me a ton of time and money! THANK YOU

[@gege8123]

Fixed mine right up. Thanks! (about 3-5 days till engine light turned off)

[@JC-kj3mi]

Wow , you saved me time and money . Thanks mate !

[@parkwoodtech]

Thanks for the video. Saved me time and money. I did the key turn to get the code, didnt even need the scanner. I thought it might just be the gas cap but it was holding good pressure. I found this video and found the part in stock at O'reillys for $33. Installed it in 10 minutes and went through a drive cycle and the CEL is gone.

[@FlatRateMechanic]

Nice, glad to here it!!

[@andyinmichigan9058]

excellent....have this on I believe both of our 2008 town and countries....worth a try. thanks!

[@theTShaull]

Thanks man. Little things like this are a big help and big time saver. T

[@jdeleon7319]

Thanks. I was able to clear the codes and pass state inspection.

[@joseesparza7216]

Thanks man I was going crazy looking for the evap

[@FlatRateMechanic]

Awesome, glad video helped out!

[@fuadyaqubian5940]

Good video! Short but to the point!

[@FlatRateMechanic]

Thanks

[@ianmackenzie686]

Thanks for showing the location of this unit.

[@davekleiboeker4614]

Vacuum hose and or tubes are very common also. Codes are only basic directives p0456 small leak in the entire system.

[@cto511987]

YOU da, mann! thank you brother!

[@jaybig360]

Very helpful thank you

[@marks9897]

Thanks for the video

[@capneff5178]

Thank you! I’ve been looking how to replace this and I can’t find anything.

[@megafamilytime8829]

Super thanks is a lot 👏

[@cinnachicc1]

Thank you

[@921vrock]

Thanks I'll try it

[@gabrielq.906]

Just swapped this on a dodge dart I really hope this fixes it I vacuum tested the purge solenoid and it seemed to work. Smoked the system and found nothing but I did find dust inside the esim so I really hope this is the issue only time will tell.

[@yvonneupshecomes9948]

Thanks for the great video Much appreciated I am wondering how difficult it will be to access this location underneath the gas tank Its obviously on a lift in your video Thank You

[@professormurphy3343]

Awesome! On Rock Auto they call it a Vapor Leak Detection Pump

[@TomO-if7nh]

Why put your logo on the tab that twists out?

[@patrickl3150]

The flat rate mechanic question I have a 09 dodge caravan I have the engine code P0456 small evap leak could it be a gas leak or a gas cqp

[@rubberman2006]

I changed this the other day for the same code, but dash also has gas cap displayed. Has a new gas cap.

[@chrischenusa6323]

Hi, is this fix P0452 too? I can't find Evap pressure switch on my 2010 caravan

[@drewsalley6374]

Are all these systems the same size/shape? I have a 2018 dodge that this code just popped up this morning for so I want to make sure I can just order it online. Seems very straight forward on the changing of it

[@germanshepherd13]

not a dodge but this part was replaced on my grand cherokee , both Chrysler products but my p0456 code still came back.back to the shop

[@sam1B0y]

U figure it out?

[@christopherhuber2517]

Thanks

[@yanes583]

Nice

[@ChirstopherFairbrother]

I have a problem with my 2014 Dodge. Grand caravan 3.6 a friend. Put it on a scanner set number 5. Injector was not acting right I. Replaced all 6 injectors and 6 coils swapped out. Spark plugs vehicle will not idle. And check engine light comes on. I've been trying to Google an. Idea of what could be wrong? I can start it up with my foot on a fuel pedal. And if I put it in reversed with the parking brake set, it will stay running but runs rough. It would be appreciated if you had any ideas for me

[@singhpuriya83]

Thanks bud for valuable help right on spot how about po420 thanks

[@JPancotti]

I replaced my integrity pump, purge solenoid, and gas cap, but still have small leak. Whats next?

[@SarahPoulin]

I can't get mine out. Does it twist to the left or to the right? Does the tab get pushed away from the pump or toward it? No matter which way I go, I can't get it out, and I don't want to break anything.

[@sht7007]

Is this the same for an 2007 dodge caravan??

[@germanshepherdodin4069]

Will this Work for 2009 town and country 3.8? I see it skips that year?

[@Dave-jc6ky]

Can you tell me if that's the drivers side rear of vehicle towards the back most portion of the gas tank? Do you think this is the saem location and likely diagnosis for a 2012 Town and Country as well? Thanks!

[@BdyPhrk]

Does the check engine light go out by itself after its fixed?

[@santhush.desilva]

What type of vehicle hoist do you have in this video?

[@slimsherman5818]

How do we find out if the gas cap has good pressure, or if it's the part you replaced, thanks

[@pabs8]

The integrity valve has no integrity and has a high failure rate 👍🏼

[@aposieczanek]

Otherwise known as the lack of integrity valve.

[@2ballcureall130]

Will this part when bad cause the van to stutter and stall

[@aaronsisco2785]

can you still drive with this issue. i have a 3,5 hour drive north tomorrow. an thats my only car to fit the family in.also the codes i was getting p0457 as well as 455 456. would it still be the same thing to replace

[@demonseed28]

That only the Fuel Vapor Leak Detection Pump

[@ronaldscott781]

Love your to-the-point vids👍 With a bidirectional scanner, are there any active tests that can be performed on the evap system of this range of veg? Cheers!

[@goldenratio5117]

Don 2004s have the same problem part?

[@JnJShiffler]

Same for my 2008 Town & Country by chance?

[@iTzTheSymbiote]

would this fit a 2018?

[@BL3ND392]

Changed that on my charger it still says there’s a small leak

[@bob1498]

great content, until you block the view of the part being replaced with your logo. bad timing.

[@akwlb2]

He didn't show how to remove it though. He pointed at it and said there's a tab you wanna twist off.

[@michaelpatosa]

Do you have a diagnostic video for this? I have the same code for 2014 RAM HEMI

[@FlatRateMechanic]

Not at the moment but I do know that it has the same evap system. Go probability, same problem.

[@aldo9767]

I got the same code I changed that part ant the code still present. Then I change the purge valve and still have the code. 🥺🥺

[@momworkdc]

I really would have liked to see you actually install. And not see your logo right where I was trying to see the clip of which you spoke!

[@JraldoGames]

Maybe you just suck at fixing cars?

[@tiwalterite]

Late to this video but if you can't figure out how to remove the tab you shouldn't be working on your own vehicles lmao

[@nathangoyette5199]

I had to put one on my dodge grand caravan 2009 it said a small leak and I put a new and now it said a big leak

[@matthewluebeck4112]

Next question is this something that is even worth repairing? Like is this going to damage anything else in the vehicle if I just leave it? I live in a state that doesn't do emissions tests.

[@atheeribrahim9905]

Very good point! I don’t think it is worth looking at. The only bugging thing is the check engine light on the dashboard😅

[@The5ive5ive]

If that cold comes up does the Van drive a little funny start to shake a little bit

[@ChalkyHonky]

You get in a panic and then realize this is why you only let your wife drive the van LMAO GAS CAP LOOSE😂

[@leslieanne447]

Shame on you but 😄 this time I'm the one calling BS on the gas cap this time.

[@mickstermouseter7059]

This didn't fix my P0456 code on my 2012 Dodge Grand Caravan.

[@ironicrider3478]

What state are you from? That accent is different I'll guess one close to the Canadian border

[@Bobcagon]

$53.00 Canadian…not cheap. Also possible cause of P0441.

[@abdullahal-shimri3091]

Funny story to share: I had a check engine light on and I went to Walmart and bought a $20 OBDII reader. I said P0456 and I googled it around and found out it could be a loose gas cap. I immediately checked my truck's gas cap and found it loose - which I tightened immediately. Now the check engine light is gone.

[@pablogomez7519]

what about a 08 3.3 flex fuel?? once I turn on the vehicle I can smell the ethanol fuel in front of the vehicle. anyone have and idea and point me to a good starting point?

[@TheMacronical]

I have a 09 3.3L & had a burning smell in front of the vehicle & it was actually the heater core. I was leaking coolant badly, not sure about your situation.

[@pablogomez7519]

@@TheMacronicalits the fuel actually but no leak anywhere

[@fortbowie1]

How do you clear the engine light after you replace that piece? Does the check engine light just go off by itself?

[@haidner]

It does. It can take a couple of days or so, depending on how much you drive.

[@samuelgalan7774]

no diagnosis, cool!

[@506jeff]

I read this comment with sarcasm, was this intended?

[@johnstinson4026]

Thank u this fuckin dodge caravan 2016 has drove me nuts trying to sell

[@rtz549]

That is one of the worst parts ever made. Aftermarket needs to rework it. Someone contact Dorman.

[@dizawnofwizar]

Whats the part number? Amazon link?

[@FlatRateMechanic]

amzn.to/2D9vgXK

[@p.doetsch6209]

Do these make any noise? I have a small evap leak code but my acceleration bogs down at 4th gear and it starts to growl. After I get through 4th everything is normal again.

[@franciscagranillo5225]

I have the same problem! Did you figure it out?

[@p.doetsch6209]

@@franciscagranillo5225 Not yet. It's something in the exhaust system whether a vacuum leak or a catalytic converter starting to fail. I'm going to try a smoke test using some rubber hose and a cigar.

[@dougthatcher3521]

At the end of the video other "adds" for videos clog the screen, distracting from your most important part of the video of where the crazy thing is located and how to change them out!

[@612outdoorscom2]

See tab midway in this video kzbin.info/www/bejne/nqe3YXp5lN2tn80

[@andyspence4014]

Great info very helpful but please take the ah's out of your vacabulary.

[@jeffreyribeiro8430]

esim

[@dawnhaynes9731]

What about a p0455 no it's not gas cap replaced that

[@FlatStuffEarth]

flat earth ! van

[@0believeinjesus9]

Romans 8:36 As it is written, For thy sake we are killed all the day long; we are accounted as sheep for the slaughter. Romans 8:37 Nay, in all these things we are more than conquerors through him that loved us. Romans 8:38 For I am persuaded, that neither death, nor life, nor angels, nor principalities, nor powers, nor things present, nor things to come, Romans 8:39 Nor height, nor depth, nor any other creature, shall be able to separate us from the love of God, which is in Christ Jesus our Lord.