Toyota Tundra code P0419 Secondary Air Injection System Relay B Circuit

Check engine light on 2007 Toyota Tundra SR5

[@sonofhin]

this engineering design with the open-end vertical snorkel that just funnels water and condensation to the pumps is nutty. if you live in humid south prepare for failed pumps and rust as moisture is pumped from fender well into throttle body and sensors. toyota came out with redesigned snorkel but I chose to relocate them into top left engine bay and replaced long snorkel with snub nose to avoid condensation. if you have a failed pump you can take it apart and look at the damage--sometimes you can fix. but don't just fix the pump--look in this channel and clean the throttle body and follow tubes into the valves or they will fail next after the pumps. thanks for this channel for detailed troubleshooting tips on this system. Always first rate on toyota maintenance channel.

[@bobd8553]

Please provide more detail on your fix and the "snub nose"? what did you do to prevent moisture?

[@sonofhin]

@@bobd8553 ok..here we go. I removed the mount with pumps from the fender-well, then found a nice dry spot to mount in top of the engine bay passenger side. Then rerouted the hoses and connectors. My reasoning was at least the pumps can stay dry up there. Then there is no reason to have the snorkel although you could keep it--it is just plastic. I went this route because I tried different mods to the snorkel (while keeping in fenderwell) and still in my own 30 day inspections I'd still find water in the pumps. then it became a mission. Although i am not a fan of non-toyota parts--just not going to spend 300$ when you can buy aftermarket pump for 100$. if you look around rockauto or parts geek you will see replacement pumps that have this snubnose, mushroom looking snorkel (and you need something to keep big debris from coming into the pumps). These aftermarket pumps can be inferior but at least give em a chance by not running in water all the time. I ran the aftermarket pump for a year but didn't clean out the valves (mentioned in this video btw) so had a Valve fail and had to replace. I found this channel and step-by-step details to clean everything in line from the pumps to the intake. Thanks to Toyota Maintenance channel I'm getting a little confident So I got curious about this whole whonky setup and went back and took the toyota pump apart for a post-mortem. I found the reason it had failed was the water had saturated a foam filter in there and caused it to be pulled into the turbines which created a gooey mess inside. Once I cleaned out the pump i was able to use the foam filter from the aftermarket and put the toyota pump back so now i have the aftermarket pump as spare. I'm def not a tech--I'm a software programmer, but i don't have any more secondary air codes when it is damp and moist here in the carolinas! (and repair is good for 2yrs now)

[@bobd8553]

@@sonofhin Thanks for the info, defiantly will do some updates. Are you familiar with the chip you can install to bypass the injection system?

[@sonofhin]

@@bobd8553 yes I found that (one company was from South Carolina!) but if I remember it was also an expensive fix. In our state we have yearly inspections and did not want to risk not passing.

[@calebwrasse6008]

@@bobd8553 I bought a bypass kit from Hewitt for my.5.7 liter for 400 dollars about 6 months ago and it got rid of the codes and took it out of limp mode and was pretty easy to install. They have a KZbin video that shows you how to install it.

[@rockbay79]

I just don't understand Dealership prices. Recently, I needed a new Remote Key Fob with emergency key for my 2015 Dodge Challender SXT. The Dodge Dealership wanted $100.00 for the key fob and key, and $200.00 to "program" the key fob and cut the key. I did my own research and here are the results: I was able to purchase a brand new unprogrammed key fob (with "coin" battery installed) and uncut key for $20.00 online. A local certified locksmith was able to program and cut my emergency key for $45.00 cash. So, I paid a total of $65.00 for my operational remote key fob. No way was I going to pay $300.00 for the same service. As Peter recommends, shop around. Peter is a VERY HONEST mechanic! I would totally trust him with my 2019 Toyota Tacoma 4X4 SR Work Truck!!!!

[@RamBo-uu9so]

I pitched a 2007 brand new. It has 275k, it's a work horse. Someone the other day asked me when I bought the new truck.

[@kendallt2020]

i had this exact prob w 12 tundra 4.6 engine dealer wanted over 3000$ did the bypass for over 600$ but didnt work after 3 times traded the truck i love because the dealer made me think major problems. thanks toyota maintenance you opened my eyes. wish i had you explain this sooner. you really speak truth into some dark corners of dealers and mechanic tricks.

[@garydiane1577]

Thank you Petr for making these great videos!

[@rudypadilla9626]

So far this is the best detailed video on troubleshooting po419. For tundra 👍. I failed my smog check today I’ve kept deleting the code off my 2013. Today I deleted the code. Smog told me I had a permanent stored code po419 😔. Crap. Now I’ll be doing the same testes as you did. Thank you

[@rightlanehog3151]

Peter, You called those oversized wheels a "nightmare," I don't think you are being fair to nightmares.

[@michaelbrennan7148]

Thank you Peter.Very interesting. Doubt I will ever work on something like this. I do enjoy seeing your approach to diagnosis of problem. Truthfully working around or with car batteries makes me a little nervous. I do handle 277v ac at work. Yikes even using the keyboard can be dangerous. Peter thank you again. You D Man!!!

[@johnmcveigh6133]

awesome video! thanks showing how to test the air pumps! my dad's 08 tundra has a bad switch bank (P2443) that is throwing code & needs replacement. 175k on truck. pumps/switch valves replaced at 90K. switching valve replacement looks complex/time consuming, but not impossible... thanks again!

[@edweisenbach8650]

Thank you! I've learned so much about diagnostics from you. Keep 'em coming!

[@abbasa7860]

Love these trucks!

[@xitlaltepec]

Thanks for the great video!

[@markmckenna5709]

Very helpful and an honest mechanic. Thank you, Mark from Tucson

[@octavianomora5712]

Another great video 👍

[@Brettisgg]

Glad to see a video on actually testing the pump! That wiring job is just... no words. How much could a soldering iron cost, $10?

[@mscir]

Total agreement, ebay sells them cheap as heck. There's no excuse for that.

[@berryreading4809]

I suggest using non insulated crimp connectors, covered with quality heatshrink tubing, it takes no skill vs. Soldering and is less prone to fracture, but either way I suggest the marine grade heatshrink tubing from harbor freight for your electrical kit it is incredible for the quality/cost.

[@waynebeckett7798]

But the pump comes with its own wiring and connector, dipsticks were so lazy they cut the wire instead of fishing the wire up thru the truck .

[@DIYDaveOK]

Man I'm no tech but I'd have properly soldered those wires.

[@pratikahir8512]

Great video as always

[@daddywaddy8781]

Thank you so much. Very helpful video.

[@61espo]

Excellent video!

[@bobd8553]

Thank you for the video. I have 2007 5.7 225k miles. Luckily no Air Injection problems yet, how can I prevent this problem? Maybe put a a kind of "cap" around the ends of intake to prevent moisture??? Thank you for your time!

[@maxagent86]

Thank you for the video. You showed the air intake for the pumps and their connectors, but where does the pumped air go? I am assuming that they go to the some component of the exhaust system, but, if so, which one? Does it appear on the video? Thanks again,

[@Timberjo2]

Another great video! I would be interested in a video where you talk through your part selection process. For example what scenarios you will only use a toyota oem part versus when its ok to go aftermarket, remanned etc. I do work on cars for friends and family and sometimes its hard for me to know what to recommend when it comes to part selection. Thanks for the great content!

[@waynemthacker3775]

My 07 514,000 on my 5.7 no pump problems just a work horse !!!

[@toma5153]

Would be interested to see a video that walks through all of the components of the secondary air injection system. Solenoids, pumps and valves. Seems like you can have multiple failure points. I feel lucky this hasn't broken on my 2007 tundra.

[@CHIBA280CRV]

Nice job sir , thank you..

[@DJ-gh4dg]

Will this moisture travel past the pumps and into the intake manifold ? I recall reading about an issue similar to this on a 2012 4.6 v8.

[@raptor700r08]

Great video thank You

[@soonerdad8356]

Excellent video! Shows me how I can jumper 12v to each connector and test if one, both or neither pumps are functioning. My ‘07 5.7 reads P0418 code which indicates a Relay “A” Circuit issue so could it actually just be a relay that needs to be replaced??

[@Robert-WeThePeople]

I wish you where in Central Florida. I have a 2019 Toyota Tundra crewmax limited 4 ×4

[@heathergreen4236]

Does code P0418 Secondary Air Injection System Relay A Circuit also mean one of the pumps in the fender are bad as well?

[@shadyshinichi2JZ]

I believe my 2009 has this problem. Been in limp mode for a year now...Toyota quoted me $1,900 to fix it. Even though they never said they replaced them before 150k. I complained at 119k miles.

[@charlespratt8663]

I'd be looking at doing the aftermarket delete myself.

[@shadyshinichi2JZ]

@@charlespratt8663 whats that? The plug in kit? Interested in anything Less tedious before I do this removal.

[@charlespratt8663]

@@shadyshinichi2JZ Hewitt-Tech makes the full kit complete with all wiring. It essentially leaves the pumps out of the circuit but tells the computer that they are functioning as they should.

[@DSiggy1]

My 2010 started the problem at 105K but there was no Service Pubs to the dealers at the time. They did not get them until I was well after 150K.

[@tonymartucci7097]

Nice vid - thanks

[@michaeldiaz2439]

I bought a bypass kit for my 2006 v8 4runner. And I don't have to deal with this crazy! Hewitt industries sells the kit.

[@joebishman6163]

I have a 0418 "Circuit A" code on my 2013 Toyota Tacoma. I used jumpers to test the pump and it worked. However could the pump fail intermittently? Sometimes the lights on my dash will go out and then they will come back the next time I start the truck

[@bertbert5643]

The person who did the wiring job was the owner?

[@jackorth4619]

Went to two different mechanics both said they would only replace both air injection pumps and they had to be genuine Toyota parts or they would fail or they could not cancel the code. Please I need opinions..😢

[@johnreid2837]

Is this on a California engine only or all tundras?

[@baikalc.4260]

hello, thank you for video. ddo you know why my brand new oem secondary air pump s not working? the two air pump valves were replaced along with it, no pump comes on on cold start. any one please, help.

[@tonysmith8107]

I just watched this video!! Having the same code and code P2442-Secondary Air Injection system switching valve stuck open bank 2. Any chance you have a video on the P2442? Toyota wants $3,600 to fix these two codes..... Great video!

[@berryreading4809]

This reminds me, it seems like all the auto parts chain stores are finally starting to stock NON-insulated crimp connectors🙏 maybe everyone will stop using those terrible plastic covered abominations now 🤞 😄 it's also handy to be able to grab them quickly instead of having to order online if I'm running low or away from my shop 👍

[@mikekopisz1227]

It is so annoying when prior "technicians" can't even re-install a cable support bracket....very interesting video as I have a 2011 with this issue...clients vehicle is actually missing the liner and the intake horns are coated in dirt and sand..

[@billsimpson604]

"If you see these wheels, are you surprised? You are not surprised." I laughed, which isn't easy to make me do, Peter. There are at least 2 well documented occasions where satellites costing hundreds of millions of dollars were lost on launch because someone incorrectly connected 2 simple wires. After the first one crashed, the Americans made sure the wires were of different lengths, or had different connectors, so that couldn't happen again. Another very expensive satellite was destroyed because one contractor was using English measurements, and another was using the metric system. Wrong numbers were thus entered into the satellite computer, and the pieces of the satellite burned up upon reentry into the atmosphere. Another satellite was recently ruined after it fell over during fabrication in the clean room. Murphy's Law strikes a lot.

[@SeanPopify]

Little crimp connectors: $1.99 + free flashlight at Harbor Freight Tools. I'm curious on who the owners originally "hired" to do that job and what they ultimately decided with Peter. Sometimes, the best job is the one you don't take.

[@danamccoy5325]

Please help ! I used alligator clips that i soldered to both end of 2 pieces of wire to test the pump. When i tested loud pop and red glow in the pump connector now truck will not start. Can someone please help me!

[@FrankySilverFace]

Did those rims also throw a code?

[@hsmahmd]

You are 👍

[@robertsaenz7194]

I have a Toyota Tundra 2008 5.7 and check engine code P2442 so I replaced the secondary air injection pumps so now it has code P 2442 ,so I replaced air injection check valves and now I getting a code P 2447

[@bryangatewood6749]

Should the pumps come on when you turn the ignition on? Asking for myself

[@nikibuko4803]

I was thinking the same. Maybe hard to hear which one is not working in that noise though...

[@bryangatewood6749]

@@nikibuko4803 I bought the bypass and was done with the problem

[@nikibuko4803]

@@bryangatewood6749 I am reading up on the bypass. There is slyfox and Hewitt. Which one did you install?

[@bryangatewood6749]

@@nikibuko4803 I believe the Hewitt. It was stupid easy and did it myself. There is a video on KZbin by those guys showing step by step. I haven’t had a single issue in 6 months

[@Seattle808]

Get the Hewitt Tech injection air pump bypass and be done with it.

[@bernardogonzalez2816]

I see you live in Seattle, don't bring that truck to California, it'll never pass smog.

[@daveschafer2555]

Exactly what I did. $230 and an hour of my time. Problem bypassed.

[@Seattle808]

@@bernardogonzalez2816 HA! I would never live in California 😂 beautiful state and I love to visit there though. You can pass California smog with these btw, they literally affect nothing emissions related when your vehicle is warm. The injection air pump is only to speed up heating your catalytic converter on cold start, they are incredibly hard to see visually and it would be hard for a visual inspector to see it. I’m part of forums with many members successfully living in California with these bypasses having no issues.

[@rayonwilliamssportsandfun2106]

P2436 P2438 . What's the main fix ? 2008 toyota tundra ..help . Secondary air injector system bank 2

[@DanielPilachowski]

I had my placed under warrenty. Was told from dealer in Massachusetts that it cost 3,500

[@patrogers8912]

Of coarse only in ma not mechanics but rip off artists

[@jamram9924]

Owner’s priorities are upside down. He has huge wheels installed, but hasn’t replaced the original struts and now these air pumps...🤦🏻‍♂️

[@mscir]

The vehicle LANs are pretty impressive. I solder everything on cars now, after I foolishly used crimps and they failed. That wiring with no wire nut or solder or crimp was not forgivable. I hope the owner shows this to the previous shop so that person learns never to do that again.

[@JD-hy6yc]

I have a 4runner with the same engine, the previous owner changed this pump. I’m not excited for doing it myself. Also do that owner a favor and throw those wheels in the scrap metal pile and get some OEM ones.

[@MP33dave]

$300 vs $2000 - ill take $300 please.

[@winnie2498]

Hey friend This is Winnie from ISSYAUTO. Would you like to make a review video about the Backup Camera Tailgate Handle for Tacoma? l have emailed u the details, please feel free to contact me.

[@arthurslon3582]

I bought it on Amazon for $66 cdn.

[@snubbelbuff1471]

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[@mikeb6386]

Can't u just bypass those air pumps and finally be done with that expensive repair?

[@michaeldiaz2439]

Yes you can buy a bypass kit. From Hewitt industries. Just Google it. I bought one for my 2006 4runner v8. It took 45 minutes to install and no need to deal with this problem!

[@davidkaplan2745]

I just have to laugh at wheels like those.

[@kj197734]

Those wheels and tires are an abomination to this truck. The truck is perfectly fine but those wheels and tires should go immediately.

[@cliffordgallagher4531]

Shame on the person that did that wiring.

[@cblankenship3018]

I got the Joe Biden price at my dealer….every price doubled….$3700 plus tax. Did not even offer a $1200 stimulus check before doubling the price of everything! Looking for other options, wish you were my mechanic. I would be jumping for joy at your $300 plus labor O’riely option. Didn’t like seeing that snorkel sucking in moisture…I live in wet Western Washington. From what I can see, this is known by Toyota and chronic…I.E. Expired Extended warranty offer? Must be great for the dealers and the Toyota parts profits. Not happy with Toyota…called their Warranty department…as you said, no help there…needs the feds involved. Car goes into “limp mode” while driving, 30mph may on the freeway…this is a safety issue, also. Those crazy wheels aren’t helping!

[@franciscoburruel3992]

Too much talking, never found what I was looking for very misleading title