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Come along with Eric O at the SMA shop as he has a look at a P0051 on a 2008 Toyota Sienna. He shows how to diagnose and repair an AFR / O2 Heater Circuit Code the right way. We also get a look at a new DIY type scan tool that will be featured in some up coming videos. -Enjoy!!
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--Eric O.
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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working 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 video. Due to factors beyond the control of South Main Auto Repair, no information contained in this 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 in this video is the sole responsibility of the user and not South Main Auto Repair.

48 thoughts on “Toyota p0051 – diagnose and repair”
  1. Avataaar/Circle Created with python_avatars Damien Bell says:

    Hey bud what was the part number bank 2 sensor 1. I don’t want to run into the problem u had

  2. Avataaar/Circle Created with python_avatars Mark Ash says:

    I know this video is dirt old now, but would like to know which Actron that is. I had a 9690. it wasn't all system, but I needed it because it did OBD1. Otherwise, would have gotten the 9695. Anyway, I liked it. Have a better one now. Thanks for yet another great video!

  3. Avataaar/Circle Created with python_avatars richard abner says:

    I have 2009 Sienna LE 3.5Lv6
    with a P0051 error code
    bank 2 sensor 1. I’m having a difficult time deciphering the correct Denso O2 sensor part number for the correct part. Might you be able to provide me with the correct part number. thanks in advance

  4. Avataaar/Circle Created with python_avatars richard abner says:

    Great videos as always!

  5. Avataaar/Circle Created with python_avatars bond1j89 says:

    Decent vid but you don't go into checking if the problem is not the sensor very deeply.

  6. Avataaar/Circle Created with python_avatars alex205 yamson205 says:

    another key for me, thanks sir Eric….

  7. Avataaar/Circle Created with python_avatars dwayne rattan says:

    Hi i did similar test on 2002 Camry 1AZ-FE the light comes on when i first start the egine but turns off after 15 seconds. If i clear the code light comes on 15 seconds then off again. Is that the expected behaviour?

  8. Avataaar/Circle Created with python_avatars Blessed Bones Auto Garage says:

    Excellent video, having same issue with my Toyota 2008 RAV4, will try it out and revert back to you. Thanks,

  9. Avataaar/Circle Created with python_avatars Hola! Luis Chavez says:

    What bulb did you use to check heater control from ecm? Is it a regular 194 bulb?

  10. Avataaar/Circle Created with python_avatars joe smith says:

    cars are a pain in the ass inless your rich something breaks u buy another car!

  11. Avataaar/Circle Created with python_avatars Anthony Iwuoha says:

    Thanks bro. YOU ARE GREAT
    Love your video.

  12. Avataaar/Circle Created with python_avatars Richard Bambenek says:

    I made the fatal mistake one time of driving 300 miles to replace a computer part only to find the part I got shipped to me was wrong. Never made that mistake again.

  13. Avataaar/Circle Created with python_avatars Khoa Le says:

    what's the part number and what model sienna this work for? My 2009 sienna got a check engine, VSC, trac off lights and Autozone scan threw the P0051 code. Is this situation the same issue?

  14. Avataaar/Circle Created with python_avatars luke zac says:

    I have the same code on my 2006 v6 Camry. I'm assuming it's the same engine as in the Sienna. Do you know the oem Denso part# ? Thanks for any help

  15. Avataaar/Circle Created with python_avatars Yumpin Yiminy says:

    You know what's better than tits on a bull? Tit's on her back!
    Sorry girls!

  16. Avataaar/Circle Created with python_avatars Nick L says:

    Parts are the enemy

  17. Avataaar/Circle Created with python_avatars chopaholics says:

    Im so hooked on your videos cause the way you diagnose vehicles you inspire me to diy my own cars just wish you where here in Georgia so you can film my car too god bless

  18. Avataaar/Circle Created with python_avatars Calamondin Orange says:

    What was the part number on the box for the sensor?

  19. Avataaar/Circle Created with python_avatars geosutube says:

    I need to find a mechanic like him over here in Orange, California.

  20. Avataaar/Circle Created with python_avatars Mike Chiodetti says:

    Great Video. I've seen heater failures. Not often.

  21. Avataaar/Circle Created with python_avatars dang0088 da says:

    next time take that o2 sensor to them and match it up or, when they deliver it u match it up right there before you sign for it.

  22. Avataaar/Circle Created with python_avatars James Garvey says:

    It's like watching the AvE or autos, =D

  23. Avataaar/Circle Created with python_avatars Jim G says:

    You saved me a bunch of cash. Thanks I can't believe the price difference between our auto repair guy and Amazon. I just know someone is making a huge amount of money for nothing

  24. Avataaar/Circle Created with python_avatars Duncan Mac says:

    It's a real shame the people that are working at the supply houses can't read. What's become of Americas education system…..Thanks for the video.

  25. Avataaar/Circle Created with python_avatars Bardia Ghajari says:

    Have you ever noticed the difference between denso/OEM? usually there is a good reason if OEM is 2-3x the price.

  26. Avataaar/Circle Created with python_avatars Bryan Mecklenburg says:

    Thanks for taking the time to make this great video. The Toyota OEM part number for this sensor is 89467-08070. It will cost about $223 plus tax at your local Toyota dealer. I bought my part on Amazon from a Toyota dealer in Daytona Beach Florida for $155, no tax, no shipping. Toyota gets this part from Denso so another option if you don't want to order the part over the Internet is to go to Advance Auto Parts. They sell Denso #234-9049 for $159 plus tax.

  27. Avataaar/Circle Created with python_avatars PROFESSIONAL 2.0 says:

    Great video I would of failed on checking the signal out thanks
    Bank 1 and bank 2 what side is what I believe you not the internet lol

  28. Avataaar/Circle Created with python_avatars JasonKraft says:

    any suggestions for the same code but a good o2 sensor?

  29. Avataaar/Circle Created with python_avatars Hyena Thug says:

    Hi Eric: How did you get the a/f sensor test light. Could you share the link? Thanks God Bless you and your family

  30. Avataaar/Circle Created with python_avatars Vince Gagich says:

    Thx for your help. Great help

  31. Avataaar/Circle Created with python_avatars Andrew Villanueva says:

    l changed the 02 sensor and the code came back. p0051. any suggestions

  32. Avataaar/Circle Created with python_avatars Mt man 1949 says:

    What I'd like to know is why I need a heater circuit. What happened to if the heat gauge says warm cut the heater on?

  33. Avataaar/Circle Created with python_avatars Tod Hovey says:

    Hey Eric O, How about more Ford repair videos, Please.

  34. Avataaar/Circle Created with python_avatars fuzzy19111 says:

    Nothin like getting boned on parts!

  35. Avataaar/Circle Created with python_avatars Marco De Minico says:

    can that actron scanner diagnose my 2003 liberty abs light?? (and abs in general)

    like tits on a pole! 😂

  36. Avataaar/Circle Created with python_avatars david goliath says:

    u can get denso sensor from rock auto for under $100. I believe it is same sensor without Toyota stamped on it. if it is practical to wait. they have a warehouse in new York. might get lucky

  37. Avataaar/Circle Created with python_avatars MeVsMe says:

    did you make that test light?

  38. Avataaar/Circle Created with python_avatars topo4u20 says:

    Hi. May I ask why you use a small bulb (194?) with the two wires to check the heater circuit instead of a regular test light? Thanks

  39. Avataaar/Circle Created with python_avatars Garrett McEwen says:

    haha I said "click" as you tightened that right as you did.

  40. Avataaar/Circle Created with python_avatars George Baerreis says:

    This is by far my favorite channel on youtube. I know you have a review coming out on that actron but can you tell me if it's worth the loot? Thanks for everything you do!

  41. Avataaar/Circle Created with python_avatars Michael Staake says:

    I have a Bosch 1350 from O'Reilly that looks to be very similar to that unit, except for the color of the case (blue vs orange) and the logo on it. Software and buttons look the same. I think the Actron CP9680 is the same as the Bosch 1350, just the retail price on Amazon is cheaper. Just FYI…

  42. Avataaar/Circle Created with python_avatars Hola! Randy Looper says:

    I can feel your frustrations on getting wrong part or just waiting forever on delivery driver, time is valuable in auto industry esp when you have to make money i really appreciate your videos mr. o. I want to thank you for such educational videos and what you mean to the youtube community

  43. Avataaar/Circle Created with python_avatars cookie monster says:

    Great video! Hey Eric where can i get one of those test lights? Thanks.

  44. Avataaar/Circle Created with python_avatars LEMBOCHI PRODUCTIONS says:

    If you happen to know, out of curiosity I was wondering if this sienna is a 3.3L?