THIS MAY CAUSE YOUR P0171 SYSTEM TOO LEAN BANK 1

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Hey Folks! Welcome back to the channel. In this video I'll show you what caused my P0171 System Too Lean Bank 1 trouble code on my 2004 GMC Envoy. Hope this helps you.
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1 июн 2023

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Комментарии : 27

@KevinNadeau Год назад

Hope this video is helpful👍

@jimowens381 Год назад

Great video! Man I don't know where you live but that's the cleanest under carriage I've ever seen on a car that age.

@KevinNadeau Год назад

Thanks👍 I’m in North Carolina 😀

@KevinNadeau Год назад

Thanks👍 I’m in North Carolina 😀

@lasvegasbadboyz 8 месяцев назад

Man. This may just be my issue with an 04 as well! Thanks for the help.

@KevinNadeau 8 месяцев назад

👍

@jrhend5355 2 месяца назад

Thanks..have the same problem on acceleration

@havasugetaway7132 Год назад

Why do I only get the code when I run e85? I never get it with regular fuel

@slhimages 11 месяцев назад

Did you have any running issues that made you suspect a problem? Under load, like ascending a steep hill towing a trailer, my XUV has what feels like a fuel starvation issue. TIA

@KevinNadeau 11 месяцев назад

Yes, it felt like it would lose power. And I had a bad gas smell on occasion from the rusted lines going into/out of the pump.

@lassiejr2115 4 месяца назад

Wow im having issues with P171 and P0130 and p1133, and its stalling and not idling right and saying low oil pressure and my gas gauge went to zero > wonder id my seal is bad also thks , also it looks like a big job Fix in replacing that pump on a scale t0 1-10 what would you rate it ?

@KevinNadeau 4 месяца назад

It’s not a bad job if your tank is near empty. I’d say it’s a “4” just because it’s a little cumbersome to maneuver the bulky tank around.

@keithreiffenstein9909 Год назад

1) Where do you find a fuel filter? My 05 Trailblazer doesn't have one. 2) How much of a pain in the a$$ is it to pull the fuel tank? I'm 100% sure mine OEM and the gauge doesn't work. Back in April we went to Dayton, Ohio, about 400 miles one way. Just above Knoxville the alternator went out! Saturday afternoon no auto shops open. So, we found an O'Rielly's, bought the part and tools and changed it in the parking lot. Pretty easy but the bottom bolt was covered by the A/C lines, took longer than it should have.

@KevinNadeau Год назад

On the 05’s, I believe the filter is built into the pump. It wasn’t too bad to drop the tank. But it helps to have a second set of hands and a low profile floor jack.

@samirnacer9206 4 месяца назад

Did your code by chance intermittently come on and off ( off when you reached a quarter tank)?

@KevinNadeau 4 месяца назад

I think the code triggered when the tank got low, but I don’t remember if the code was intermittent after that.

@samirnacer9206 4 месяца назад

@@KevinNadeau i was driving all day today and its the second time my code goes off when i get to a quarter tank. My thought process ( im not a mechanic) when the gas in the tank is low enough, the gases put less pressure on the seal around my fuel pump and allow it to shut completely thus preventing air from getting in and removing my code

@KevinNadeau 4 месяца назад

@@samirnacer9206 that’s a reasonable thought. My problem was the outlet tubes on the top outside of the pump were rusted and sucking in air. The second time (after I installed a defective pump) the pump itself separated and the internal hose came loose inside the pump and sucked in air when the fuel got too low.

@cangiscon Год назад

The short term is only close to 0 becuase long term is almost 18. Still lean my friend short term will go negative to correct the long term when the car is fixed.

@KevinNadeau Год назад

Good point. But the reality was I don’t think the long term had time yet to stabilize before I shot the video.

@sistersin2010 7 месяцев назад

Will this code cause your car not to start on the first try?

@KevinNadeau 7 месяцев назад

I think it’s possible

@Vivianauxito Год назад

Thanks for the informative content Kevin. Are you open to doing any product review that related to Auto led lighting? We would like to arrange some product shipped to you for doing a product review. We have reached out to you via email. Hope hear from you soon 😊

@KevinNadeau Год назад

Thank you. I will reply to your email.

@Vivianauxito Год назад

@@KevinNadeau thank you

@Vivianauxito 10 месяцев назад

@@KevinNadeauwe have been waiting for your reply about two months, not sure if you just forgot to do that or just you are not interested in what we offer

@KevinNadeau 10 месяцев назад

@@Vivianauxito email reply sent