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  1. Problems, Maintenance, and Repair (Gen 2)
    Hi Folks, I have a 2008 Sienna Limited and every time it rains, even a little bit, the front left bumper proximity sensor beeps constantly when I'm driving less than like 10mph like when coming up to a red light or stop sign then stops beeping when I take off and I'm going 10mph or more again...
  2. Problems, Maintenance, and Repair (Gen 2)
    2004 Sienna, Engine light "ON", PO346 Camshaft position sensor A (bank 2). Car/engine doesn't start. Does anyone know where is this sensor located, or even better, show me in a picture. I have a Haynes manual that covers Sienna 1998-2010 and shows the sensor near the oil filling cap and easily...
  3. Problems, Maintenance, and Repair (Gen 2)
    I changed the thermostat as I kept getting a check engine light on with a code for thermostat stuck open. After reassembling everything and turning the car on, after a minute or two the idle speed dropped to around 400 RPMs. Hoping this would go back up I let the engine warm up with the AC on...
  4. Problems, Maintenance, and Repair (Gen 3)
    My 2014 Sienna tailgate has developed a problem with the auto close mechanism. When I press the button for the door to close, it always begins to close as normal. About half the time it closes completely without issue. The other times, it nearly closes, beeps as though there is an obstruction...
  5. General Discussion (Gen 1)
    Just bought a '98 XLE. There's a sensor (guessing for light?) under the windshield. What does it do? Does this have something to do with rain? Headlights? Thanks!
  6. General Discussion (Gen 3)
    Hey I have a 2011 sienna limited model, the buttons for the lift gate and left door inside the van aren't working. Has anybody else had similar problems? Approximate cost for fixing the problem? Thanks.
  7. Problems, Maintenance, and Repair (Gen 1)
    Hey all, I know the topic of code P0420 and catalytic convertor replacement has been covered a lot here, but i wasn't able to find the exact answer i'm looking for, hoping someone can help. It's been a rough month for the my 2001 Sienna ! I've had the van only a few months, and it's got 150,000...
  8. Mods and Projects (Gen 2)
    The laser sensor works for adaptive cruise, but is insecure when tracking dark color vehicles or cars with a lot of dust and dirt. Anyone found a signal-compatible radar sensor that the laser could be swapped out for? This is my first adaptive cruise module, but seems like laser quickly fell...
  9. Problems, Maintenance, and Repair (Gen 2)
    Does anyone happen to have the dimensions (head size, thread diameter, length) of the mounting bolt that attaches the ABS speed sensor to the steering knuckle? I seem to have misplaced mine and I need to buy a replacement, but I can't find this info anywhere. I've even checked the workshop...
  10. General Discussion (Gen 1)
    The seat belt sensor for a 1998 Sienna won't go on. saw serveral suggestions using the trip reset button but no luck.
  11. Problems, Maintenance, and Repair (Gen 2)
    I think it is. I experienced code P0051 yesterday, and in my reading I see reference to A/F and to O2 sensors. Any thoughts?
  12. 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...
  13. Problems, Maintenance, and Repair (Gen 3)
    Hi, after a pretty thorough search I think this is a new question. I have a 2011 Sienna XLE with the V6 with 76,000 miles (bought it with 74,000). The check engine light is on with a P0705 code. That seems to be the transmission range sensor, or park neutral switch, or neutral safety switch...
  14. Problems, Maintenance, and Repair (Gen 3)
    I searched the forum and did not find any info other than one very old post with no resolution to the issue. Own a 2011 Limited. The other day on the rear display a little inset of the car popped up with 3 red circles with line thru them indicating what I believe is an error with the rear...
  15. Problems, Maintenance, and Repair (Gen 2)
    First post, so here goes... CEL, VSC & TRAC OFF lights all on, went to local O'Reilly's, only code was P0051. Had employee clear it, turned off key and then turned on/started engine. Lights all went off initially then all came back on. Re-read codes and still only 1 code, P0051, for the A/F...
  16. 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. ???
  17. Problems, Maintenance, and Repair (Gen 1)
    Greetings all! I'm a brand new Sienna owner, though I can happily say I don 15 years+ of toyota ownership (my other car is a stock 85' 4runner which I've decided to park as my weekend cruiser). Just got an incredible deal on a well cared for 02 Sienna, the price being sweetened in part...
  18. Problems, Maintenance, and Repair (Gen 2)
    I recently changed out the plugs and wires using 1 to 4, 5 to 2 and 3 to 6 (1,3,5 being bank closes to bulkhead and 2,4,6 being closest to radiator). I also changed the timing belt which was syncing up when I would rotate it by hand. I noticed there are timing marks on the cover, does anyone...
  19. Tires, Wheels, & Tire Pressure Monitors (TPMS)
    delete this
  20. Problems, Maintenance, and Repair (Gen 3)
    Hi all I just get my Sienna and noticed it came with something missing. There is a hole only. What is it as marked on the picture. Looking forward for your help guys. Thanks And no... I can not get back to dealer because this sienna is Europe, Poland now :-)
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