BMW 328i Secondary Air Injection System Testing P0491/P0492

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  • čas přidán 27. 08. 2024
  • In this video I will do complete test of secondary air injection system on BMWi 328i.

Komentáře • 66

  • @markp1016
    @markp1016 Před 11 měsíci +6

    I had p0491 on my n51 e92, and code remained even though got a new air pump, new check valve, and new hose.
    Found out there was moisture in my hose that was messing up the flow. And triggering the code
    Fox was: removing both hoses connected to secondary air pump, Spraying a little isopropyl alcohol into the pump and both hoses. Let it dry. Been good since then.

  • @miguelangelfloresflores5409
    @miguelangelfloresflores5409 Před 4 měsíci +1

    THANK YOU!!!! I didn't know what kind of tool to use!! I was going to use a wrench,,, yet,, it was hard to get to!!,,, I got a wrench!! Thank you again, BOSS!!!!

  • @valerianpantsulia1730
    @valerianpantsulia1730 Před 3 lety +1

    After all..........God Dammit today's BMW brand/////
    Nice video and Good job, it was very interesting. Thank you ///////////////////

  • @sipmeister3611
    @sipmeister3611 Před 5 měsíci +1

    Appreciate the knowledge ive had refurbished a air pump it it working but making an clogged exaust noise I assume it’s this thanks

  • @perspolis1818
    @perspolis1818 Před 5 lety +1

    Excellent video. Professionally done

  • @JoseGarcia-br3uh
    @JoseGarcia-br3uh Před 4 lety +4

    How you clean the air ports ?

  • @donaldwhiteman3224
    @donaldwhiteman3224 Před 5 lety +3

    Beutiful video

  • @ArieteArmsRAMLITE
    @ArieteArmsRAMLITE Před 6 lety +2

    thank you for taking the trouble

  • @BeemerReborn
    @BeemerReborn Před 5 měsíci

    Mines had burn oil in the ports, I sprayed parts cleaner and ran a brush through it and now I don’t get that burning oil smell out the exhaust when the engine gets hot.

  • @derekrostock1596
    @derekrostock1596 Před 2 lety +1

    Thank you for this video! Question. I’m building a 128i track car and will be deleting anything not essential to performance. Do you know if deleting the SAP will decrease performance either by messing with AFR’s via the O2 sensors or the DME somehow cutting power? Just curious if there are any negatives to deleting this other than emissions. TIA! Cheers

  • @leo4870
    @leo4870 Před 4 lety +1

    I have a p0492 code what’s the most likely to be the pump works the valve has been change relay is good

  • @The_El_Guapo
    @The_El_Guapo Před rokem +1

    Hello, thank you for the video. I can blow through mine, but I am met with resistance and have to blow pretty hard. Is that normal or should the air blow freely

    • @jomartacut3559
      @jomartacut3559 Před 5 měsíci

      Same problem here. Is this normal or a sign of faulty valve?

    • @The_El_Guapo
      @The_El_Guapo Před 5 měsíci

      @jomartacut3559 mine was faulty. I spent a lot of time and effort into cleaning it hoping to unclog it. Reinstalled multiple times and retested, nothing worked. I ended up buying a new one. Strangly the new one seemed exactly the same, but cleared my code. This was a total nightmare for me. If possible, save yourself the trouble and just buy a new one. Don't go to pick and pulls because if you do find the correct valve, I guarantee it will already have been tested and is faulty. Good luck.

    • @jomartacut3559
      @jomartacut3559 Před 4 měsíci

      Thanks much. I’am having the dealer look at it as its under sulev warranty.

  • @sergioferreira3589
    @sergioferreira3589 Před 3 lety +2

    Hello. Good video
    My ports are clogged in the head. Is there a way to clean them without pulling head out.
    Ty

    • @jaxonhundertwasser3068
      @jaxonhundertwasser3068 Před 2 lety +2

      Hi, we’re you able to figure this out? I may have the same problem with my e90

    • @nahtannoJv8
      @nahtannoJv8 Před 11 měsíci

      any update on this?, one of my ports are clogged as well. I am letting it sit overnight with crc carbon cleaner to see if it helps.
      I am at 156miles so no SULEV warranty for my N51

    • @dferrari888
      @dferrari888 Před 2 měsíci +1

      @@nahtannoJv8 Did the CRC carbon cleaner work for you?/ did you spray it directly in those two holes there with that valve disconnected?

    • @nahtannoJv8
      @nahtannoJv8 Před 2 měsíci

      @@dferrari888 it didn't work, and I did spray it into those two holes

  • @xsil20x
    @xsil20x Před 5 lety +3

    Hi I’m having same problem with my 08 e90 as the ses light is on for secondary air pump insufficient flow bank 2. I’m curious how did u clean/unclog the air ports ?

    • @jaggercole8878
      @jaggercole8878 Před 3 lety

      you probably dont give a damn but does anybody know a method to log back into an instagram account??
      I somehow lost my password. I would love any assistance you can offer me

    • @daxtonharrison8208
      @daxtonharrison8208 Před 3 lety +1

      @Jagger Cole instablaster ;)

    • @jaggercole8878
      @jaggercole8878 Před 3 lety

      @Daxton Harrison Thanks so much for your reply. I found the site thru google and im in the hacking process atm.
      Looks like it's gonna take quite some time so I will reply here later with my results.

    • @jaggercole8878
      @jaggercole8878 Před 3 lety +1

      @Daxton Harrison it worked and I actually got access to my account again. I am so happy:D
      Thank you so much, you saved my account !

    • @daxtonharrison8208
      @daxtonharrison8208 Před 3 lety

      @Jagger Cole glad I could help :D

  • @smooveking773
    @smooveking773 Před 4 lety +2

    Mine has zero air flow can i soak it in breakcleaner or would that even work

  • @Chris-wp3ew
    @Chris-wp3ew Před rokem

    HI there... Is that the secondary air injection valve or the EGR valve? I'm looking to replace the EGR valve and multiple sites shoe that exact part as the EGR valve. I'm so confused...

  • @luisbg8319
    @luisbg8319 Před 5 lety +1

    Disculpe amigo, a la valvula de mi bmw2003 325i le soplo y no sale aire por el otro lado. Y me arroja estos codigos p0491 y p0492.

  • @radekskreczko
    @radekskreczko Před 3 lety +1

    my ports are clean, changed the pump, changed the hose, check valve is working as I tested it like in this video and still check engine light is on, I don't get it is there something else part of the secondary air?

    • @kyhomegarage3430
      @kyhomegarage3430  Před 3 lety +1

      Does your pump actually runs. Do you hear it when you first start your car?

    • @radekskreczko
      @radekskreczko Před 3 lety

      @@kyhomegarage3430 yes it does

    • @jaxonhundertwasser3068
      @jaxonhundertwasser3068 Před 2 lety

      @@radekskreczko Did you find a solution to your problem? If so, would you are to share? I have a similar problem and I can't seem to figure out what the issue is. Thanks in advance!

    • @radekskreczko
      @radekskreczko Před 2 lety +1

      @@jaxonhundertwasser3068 no I did not, I have the check engine light on, but emissions are do in 6 months, I will take it to a mechanic in a month to fix that, I'll post once I get it fixed... Did you get to the solution?

    • @jaxonhundertwasser3068
      @jaxonhundertwasser3068 Před 2 lety +7

      @@radekskreczko yes, I did! If your issue was the same as mine: P0492 (or P0491, but not both):
      I bought an O2 sensor safe carbon cleaner with an extra long hose + a sheet of cork gasket material.
      • Take off the secondary air valve.
      • Cut the gasket material in the shape of the secondary port and poke a small hole for the hose of the carbon cleaner.
      • Get the hose as deep into the secondary port as possible and blast the carbon cleaner. You’ll see the carbon accumulate along with the fluid at the entrance.
      • Let the cleaner evaporate and clean out the carbon.
      • Repeat (even turn the engine on intermittently while the secondary valve is off to ensure all the carbon flies out and to burn some of excess fluid).
      Bonus: carbon clean the secondary air valve in the meantime.
      Hope it works!

  • @HighIntentions-
    @HighIntentions- Před 3 lety

    There is white smoke coming from my vents as soon as I turn my car on, I opened the hood and it is coming from that same side. Is it possible that may be the reason why? Because I have to change that part or maybe something far worst?

    • @kyhomegarage3430
      @kyhomegarage3430  Před 3 lety +3

      Do you smell burning oil. Most likely your valve cover gasket is leaking and engine oil is dripping down onto hot exhaust.

  • @oshinaslanian3221
    @oshinaslanian3221 Před 7 lety +1

    Ramon, why were the oxygen sensor voltages so high? Is that like a European thing?

    • @kyhomegarage3430
      @kyhomegarage3430  Před 7 lety +1

      Hi my friend this car uses AFR or wide band air ratio sensor. You will see these type sensors more often in future. Any car manufacturer are using these sensors now. 2.00V is lambda 1. Voltage above 2V will indicate lean and voltage below 2V indicate rich condition. I know this is confusing. They are different from O2 sensors. Hope this help.

    • @oshinaslanian3221
      @oshinaslanian3221 Před 7 lety

      KY HomeGarage Got it, I thought it was just a regular 0 -.900 oxygen sensor.

  • @denstylerzofficial
    @denstylerzofficial Před 6 lety +1

    so as u tested the valve is it means GOOD valve?

    • @kyhomegarage3430
      @kyhomegarage3430  Před 6 lety +3

      DenStylerz Official - Best Mixes yes sir this is good valve. On this car exhaust manifold port was clogged up. Cheers

    • @denstylerzofficial
      @denstylerzofficial Před 6 lety

      KY Home Garage KY Home Garage and if the air flows 2 directions ? Help if i cleaning?

    • @PJR1234567
      @PJR1234567 Před 4 lety

      @@kyhomegarage3430 hello, how did you go about unclogging the ports?

    • @kyhomegarage3430
      @kyhomegarage3430  Před 4 lety

      Paul R. I used screwdriver and wire brush. Nothing special you just need to clean build up of carbon deposits .

    • @TheRedcroatian
      @TheRedcroatian Před 4 lety

      @@kyhomegarage3430 thank you so much for this info, I believe that my problem. Last time I took it off I saw tons of carbon build up but didn't bother to clean it. I just bought new gasket because the old one looks run down but I think carbon build up is the actual problem. BTW, I have a 2004 330xi but same principle!

  • @usace69
    @usace69 Před 2 lety

    اول مرة اشوف عربي يفتهم !!

  • @angelatrujillo3682
    @angelatrujillo3682 Před 3 lety +1

    I have code p00bc , p0171 and p140A

  • @jcoach3064
    @jcoach3064 Před rokem

    I can’t blow through mine at all

    • @SubliminalMessagesTV
      @SubliminalMessagesTV Před rokem

      Hope you replaced it by now lol

    • @jcoach3064
      @jcoach3064 Před rokem

      @@SubliminalMessagesTV 😂 replacement for what I just deleted it it's incredibly pointless piece of metal and took out my own headers put in catless headers and straight piped it

    • @The_El_Guapo
      @The_El_Guapo Před rokem

      I can blow through mine, but I am met with resistance and have to blow pretty hard. Is that normal or should the air blow freely?

    • @jcoach3064
      @jcoach3064 Před rokem

      @@The_El_Guapo I ended up deleting it,just remove ut its pointless really