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  1. Problems, Maintenance, and Repair (Gen 3)
    I've dealt with this code before on another Sienna. Changed the 2 sensors and coolant lines and that one was fixed. This time, though, I am working on an engine that I installed a year ago. 0 mile rebuild with all new sensors, coil packs, injectors, and a bunch of new stuff...At 1 year and 10K...
  2. Problems, Maintenance, and Repair (Gen 2)
    The transmission is shifting hard between 2nd and 3rd gear. I removed both sensors and they ohmed out at 645 ohm and 665 ohm. I believe this is in specifications.Put everything back together and still have the same problem.Any thoughts on what the problem may be. ???
  3. Mods and Projects (Gen 3)
    I'm working on wiring my 7 pin trailer connector and can't figure out where to mount the two circuit breakers. I've seen an instructional video where they mount them under the hood on some sheet metal next to the fuse box, but they're working on a 2005 model and it looks like there's more room...
  4. Anything Sienna
    My engine light went on in my 99 sienna and it had a code P0141. When you look that up it says to check the fuse and connections This fuse is not labeled on the fuse box cover. Anyone know where this is? it is controlled by a fuse that control something else? Thanks in advance.
  5. Mods and Projects (Gen 2)
    Hi, I'm installing a reverse camera and a new head unit with display on a 2007 Sienna LE. For the head unit to automatically display an image once I engage reverse, I need to tap into the reverse circuit. Can anyone tell me where I can find that in the front of the car? I'm hoping not to run a...
  6. Problems, Maintenance, and Repair (Gen 3)
    So, recently I swapped my bank 1 O2 sensors to fix P0138-high sensor voltage b1s2. That seems to be ok now. Strangely, I had to change both sensors while the code was only for 1 sensor. Drove some miles and o2 sensors show ready for emission testing. Now after driving some miles I am getting P...
  7. Problems, Maintenance, and Repair (Gen 2)
    Good afternoon Toyota friends, Can someone tell where this O2 sensor is located on a 2004 Toyota Sienna front wheel drive? What causes this error and what can I check to verify a faulty sensor? The error code is P0037... Thanks!!!
  8. Problems, Maintenance, and Repair (Gen 2)
    Can someone please tell me how to change this sensor. I ran the scan and it showed this code P0158, I have a Sienna LE 2008. thank you
  9. General Discussion (Gen 3)
    Hi, I'm figuring out how to install DEI-545T, auto headlight unit to my Sienna 2011 LE. I couldn't make it work when I connection all wire assuming headlight circuit is 12V (High Side) switched one. Is it right? When I google it..Prius seems uses Ground switched circuit. Is there anybody who...
  10. Problems & Issues
    my 2003 Sienna got a check engine light 6 weeks ago and it was the front bank sensor 1, so i replaced it and check engine light went away. now i got anther light and it is stating p0135 heater circuit malfunction? i took it to the garage and they said the o2 senor after cat was bad so i replaced...
1-10 of 10 Results