P0171 System Too Lean Fix - PCV Hose Replacement 2.0t Cadillac ATS and Chevy Malibu

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P0171 System Too Lean Fix. PCV Hose Replacement 2.0t Cadillac ATS and Chevy Malibu 2013-2020. Diagnosing P0171 System too lean code. How to Remove and Replace PCV Hose on a Cadillac ATS 2.0l. How to Remove and Replace PCV Hose on a Chevy with 2.0l. What does a P0171 code mean and how to fix it. Part numbers for cadillac ats pcv hose. Check engine light code p0171 symptoms. How to fix Rough idle, stalling, lack of power on a 2.0t. What can cause a p0171 system too lean code.
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I assume no liability for anything you choose to do to your own car. Due to factors beyond my control, All Repairs you perform to your car are performed at your own risk. I assume no liability for property damage or injury incurred as a result of any information contained in this video. Use this information at your own risk.

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16 окт 2024

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Комментарии : 105

@dajuanandonly1 3 года назад

This is a great video, man! Easy to see what you’re doing in the video, good narration of what’s going on step by step and why you’re using certain tools. Really helpful, thanks for the video!

@backyardchevy328 3 года назад

Thank you🙂 i really appreciate it

@Derikimi 2 месяца назад

Finally a video that shows you the part numbers and great camera angles. Thanks!

@mrkttrdr2919 3 года назад

Another concise step by step video, ur vids are valuable to the garage mechanics in us all

@backyardchevy328 3 года назад

Thank you🙂

@steveboone5450 3 года назад

Another excellent video -- short, direct, and with lots of good tips and tricks. Thanks!

@backyardchevy328 3 года назад

Thank you🙂 i really appreciate it

@PaperChaser87 Год назад

Thanks a lot brother! I had P0171 code cleared it and then it came back a few days later. I wasn’t sure what to think so I got on RU-vid. Your video took me to my exact problem. My pcv hose has an obvious crack in it. I will be replacing this asap. Thanks for saving me a substantial amount of cash because the dealer would have took me for ride lol

@PaperChaser87 Год назад

@miguelbrochu8205 good deal bro👍🏾 I’m glad it worked for you as well

@Dae2Times 8 месяцев назад

Did that work for you or was it something else?

@aquaspace_ 5 месяцев назад

i was trying to figure out what line that was that leads to the turbo for the longest thanks to you i finally know thank you.

@Wowz4me Год назад

Thank you for this video. Great for understanding how to remove PCV valves for catch can install. Huge thanks!

@barometerjones9743 11 месяцев назад

Wow very impressive video! Thanks for the great help!

@bradleynino6662 2 года назад

Excellent video, exactly what i was looking for!

@johnswicegood7000 2 года назад

Unfortunately my Cadillac was not giving me any lean codes. After watching your video I I performed closer inspection of the vacuum hoses and lo and behold on the underside it was cracked at both ends. Thank you for posting this video. I didn't want to pay $180 per hour for the dealership to work on my ATS again.

@backyardchevy328 2 года назад

Glad u were able to catch it🙂👍

@joshmcelroy4927 Год назад

Amazing video. Thanks for all the details!

@dominiclopez379 2 года назад

Thanks man! Ordering the part I need and confident it'll be an easy fix with your video.

@backyardchevy328 2 года назад

Thats great! Hopefully all goes smoothly...good luck🙂👍

@VelleyIndustrial 2 года назад

Excellent video. For the first tube in your video I noticed the PVC was rubbing on the valve cover. I installed some spiral wrap on the new tube to prevent chafing.

@backyardchevy328 2 года назад

Thank you🙂...great idea to prevent it from happening

@reggieleverette7553 2 месяца назад

Thx 🙏🏾 for this video sir! Please make all you can!

@mark-anthonyburnettii772 5 месяцев назад

Thank you for the video. How did you know that the valve and orifice did not also need to be replaced with the tube?

@702mechanic5 Год назад

I love the detail

@RAA-uw7kh 2 года назад

Wish i saw this before I doing this myself, would have saved me some time. Nice video

@backyardchevy328 2 года назад

Thank you🙂

@kyleogni2863 9 месяцев назад

How do you pop out pcv valve after disconnecting the hose. 2014 Buick regal 2.0

@bdubbed6300 6 месяцев назад

flat head under and gently wiggle out, you WILL break it FYI. Needle nose to remove bits/pieces.

@derrickanandappa3082 Год назад

Thanks for the great video. It really helped a lot!

@SqthecircleBK 11 месяцев назад

Thank you, Sir, for the amazing video.... Great job !!!

@CompaReddoe 7 месяцев назад

What if i see a small amount of oil around where the pcv tube connects to the top of the engine? i have the same code and ordered these vent tubes, but will what i described fix this issue? or does oil there mean another problem?

@mandovelez5700 5 месяцев назад

I had vacuum leak I changed that line but my brake pedal also got stiff . Does think have to do with this problem and how do I fix it

@chacebusness6451 Год назад

So how do you get those tools for helping getting the hoses uncliped? I getting a catch can and think I need those tools for my 2014 ats4.

@alanmorales9231 Год назад

When broken does this cause this car to blow white smoke through the exhaust sometimes?

@kaenenmclaren7596 7 месяцев назад

I have the same question...

@SHOOT_NDX Год назад

You don’t need the modified fuel line disconnect tools. Each of those hoses has a small opening on the side of them where the locking tabs are that allows you to take your finger nail and push the locking tab open to release it.

@douggingerich2216 Год назад

Nope

@graysongandy9735 3 месяца назад

Look at the turbo

@Robert-jx8nr 7 месяцев назад

1:53 you inserted your homemade white plastic tool into a circular piece that had the hose attached , how do you remove that circular piece

@elkuartostudio Год назад

I do not have a code but my long term fuel trim is high and engine is shaking. Also there is oil in that pcv hose.

@HarryHeckDiecast 11 месяцев назад

Mine has a misfire code due the smaller hose having some cracks in it how does this car even drive with that?

@raynielsden1984 6 месяцев назад

I got P0172 code what do you think the problem on it?

@tala5917 2 года назад

So simple and informative.

@backyardchevy328 2 года назад

Thank you🙂

@douggingerich2216 Год назад

Very helpful😊

@SpanishPride1000 11 месяцев назад

Does anyone know the part number of the first hose he took off. I cant find it anywhere thanks.

@ThePudgie123 8 месяцев назад

Nice job! Thanks!

@JackShampineJr Год назад

Great video. Thank you.

@charleswallace5481 22 дня назад

Thanks brother

@juniorcontreras90 2 года назад

Will this part work on the camaro 2.0t? Its an ltg and engine setup and bay looks exactly the same

@backyardchevy328 2 года назад

Yes, they have the same part number for the pcv tubing

@dwii8728 2 года назад

THANK YOU, SIR!

@backyardchevy328 2 года назад

So glad to be able to help🙂 thank you for the support

@c.whitaker1393 Год назад

I have these three codes and I was told I need a new transmission

@denny2544 2 года назад

My lines are not leaking at all there in good condition so what happens next if im still getting the same code? Thanks

@backyardchevy328 2 года назад

Too lean, i would check the air cleaner to make sure its not affecting airflow...look for any other possible air leak point..if thats all ok..i would clean the maf sensor cause a dirty maf sensor could cause a system too lean code...even a dirty throttle body can cause that, i had to clean the throttle body on a chevy malibu with same engine because it was sticking open for that same code...if thats fine..then maybe ur oxygen sensor may be dirty or not functioning as well..i would check all those

@fastbreak2614 2 года назад

Hello How do you remove the pcv valve that sits on top of engine. The firs connection piece you removed??? Please and thanks 🙏

@backyardchevy328 2 года назад

Well that pcv valve is held in by clips that grab on the inside of the valve cover and unfortunately the only way to remove it is wiggling it upwards..trying to pull it/pry up as straight as u can

@HarryHeckDiecast 11 месяцев назад

If you have a replacement uses big blade screw driver and pry it up slowly if anything breaks there is a flat metal bottom so if anything falls in it won't fall into the head you can pick out the debris with some pliers or tweezers

@JonathanHernandez-broskotcho 2 года назад

You’re the man!

@backyardchevy328 2 года назад

Thank you🙂

@whips8 2 года назад

Another great video 👍🏼 while changing the spark plugs for my 2018 ATS today, I noticed that the PCV tube had a huge crack that was causing the car to burn a lot more fuel. Changing the spark plugs definitely helped but I ordered the tube and hose, appreciate your videos.

@backyardchevy328 2 года назад

Glad u caught it..yea it would definitely cause that and more issues

@whips8 2 года назад

@@backyardchevy328 what year ATS is this one? I noticed the cap you’re removing at 3:45 is slightly different on my 2018 ATS and is there a different way I can yank them out without damaging something else?

@backyardchevy328 2 года назад

@@whips8 its a 2013 ATS, and unfortunately its the only way i know to remove that pcv tube

@whips8 2 года назад

@@backyardchevy328 I’m thinking of using those picks you used at 4:00 and see what happens, otherwise I might have to settle and take it to a shop. If you’re near the LA area and willing, I’d gladly compensate you

@backyardchevy328 2 года назад

@@whips8 they did work on the bigger connections..i didnt try em on the smaller ones since i had those other type of fuel line disconnect tools..but hopefully it does..it would save u a lot of trouble

@docthompson1 2 года назад

What size fuel disconnect tool did you use

@backyardchevy328 2 года назад

The one i cut was a 5/16 but the other one i used was a 3/8ths

@austinbellamy6478 2 года назад

What is the part number for the pcv hose that's steel braided?

@backyardchevy328 2 года назад

12673868..i should have em in the video before the install

@ignacioavalos8007 2 года назад

Was your car in limp mode after changing both lines

@backyardchevy328 2 года назад

No, i reset the codes with the scanner right after and car ran a lot better, been good since

@ignacioavalos8007 2 года назад

@@backyardchevy328 that’s crazy brother I just reset the codes and car stays in limp mode

@backyardchevy328 2 года назад

@@ignacioavalos8007 yea then that would mean u got some issue with a sensor or something electrical causing the malfunction

@Cdpdeliere 2 года назад

Do you have the part number for the 90 degree tube at 1:47

@backyardchevy328 2 года назад

I believe its 12663027

@Cdpdeliere 2 года назад

@@backyardchevy328 you’re a life saver man I can’t find anything on this motor, what’s the piece that it connects to that’s wiggles on top of the motor ? Thank you sm

@Cdpdeliere 2 года назад

@@backyardchevy328 i think you gave me the part number for it not the tube coming from it but I appreciate it

@backyardchevy328 2 года назад

@@Cdpdeliere the pcv valve right? It connects to the hoses im replacing which i think the part numbers for the hoses are in the video

@Cdpdeliere 2 года назад

@@backyardchevy328 yes I just watched again and forgot about that. Thank you very much sir !