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  1. Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    while driving at 35MPH-ish it started to slow down and would not accelerate. it "chugged along" at 15MPH-ish while i tried to find a safe pull off spot, till it came to a complete stop and would not move. I didn't push it hard but all the electrical was still working. I turned it off to rest for...
  2. RAV4 2nd Generation (2001-2005)
    I have a Rav4 2001 that's posting codes related to the 4 oxygen sensors. I replaced them 4 new ones about 3 weeks ago and same codes keeps reappearing even after trying to clear codes with a OBD2 tool. Checked the wires and fuses to make sure they're in good condition. Did some basic testing on...
  3. Avalon 1st Generation (1995-1999)
    Hello all, The 3rd, downstream sensor decided to call it quits, and having replaced the 2 up-streams, here I go again! :devilish: Yes, I did a search on seat removal, see the 4 bolts, but between searching here and Haynes, there are warnings about the airbag and disabling it, but not how to...
  4. Camry 3rd and 4th Gen '92-'01, Solara '99-'03
    Hello guys, I have been having this weird code popping up and going away for several months now, I have changed the thermostat twice and I have changed coolant temperature sensors it just won't go away. I also have rough idle from time to time, I have cleaned my IAC valve and valve itself seems...
  5. Corolla 8th Generation (1998-2002)
    Thanks in advance for your tips My son's 2002 corolla threw a CEL, I scanned it with a bluetooth OBD2 scanner (paid Torque app) and got two codes: Current Fault = P0420 - Powertrain Catalyst System Efficiency Below Threshold (Bank 1) Pending Fault = P0446 - Powertrain Evaporative Emission...
  6. Corolla 7th Generation (1993-1997)
    Hey all, I'm new to Forums. I have a 97 Corolla DX at 221K miles. I recently installed the after market DNA exhaust and catback. It runs and sounds great but I noticed that the OE O2 sensor below the header does not fit. For now I have a plate covering it and I've disconnected the O2 sensor...
  7. Highlander 1st Generation (2001-2007)
    First off, I am NOT a mechanic and was learning as I was going here so I'm sure there are better methods for doing this but I had little luck finding solid information online - so I'm posting this in the hopes it will help others in a similar predicament. I have a 2003 Toyota Highlander with...
  8. Corolla 7th Generation (1993-1997)
    93 Corolla wagon, 1.8L engine, California emissions Is the same upstream oxygen sensor now used at the exhaust manifold and just before the catalytic converter? I just see upstream sensors with no specific location while a Toyota site lists #89465-19545 for the front & #89465-19555 for the...
  9. Yaris/Scion iA, Vitz and Echo Forum
    Hi all, First time posting so excuse any error I may make. I have a 2012 Toyota Yaris that just started to display a check engine note. I used a scanner it came up as a P0137 Oxygen Sensor Circuit Bank 1 Senor 2. Going to attempt this myself as the dealer want $400 plus taxes, any guidance on...
  10. Corolla 8th Generation (1998-2002)
    I chopped open the muffler on my beige Corolla. I made a short video explaining how it works: Here’s a few photos of the process: How it all works inside: Sound travels as a wave in the exhaust stream, with a wave length of...
  11. Camry 5th and 6th Gen '02-'11, Solara '04-'08
    Hi, im am new to using forms so go easy on me if i do not provide the correct information upfront. I recently bought a used 2003 Camry 2.4L. Recently the check engine light came on and after getting it diagnosed from two different mechanics was told i needed to replace the catalytic converter...
  12. Sequoia Forum
    hi guys, i have just recently purchased a great 2002 sequoia 4x4 with tow pkg with about 48k original miles. while driving this weekend got a check engine light. diagnostic run came out to code P0136 O2 sensor circuit Bank 1 Sensor 2 ( See P2270, P2271 ). after looking at the diagram it...
  13. Tundra 1st Generation (2000–2006)
    I have a 2000 Tundra Access Cab V8 4.7 liter, need to get California smog certification, OBDII is showing code P0161 O2 Sensor Heater Bank 2 Sensor 2. Where is that located on my model Tundra? Also, do I need a special tool to replace it?
  14. Camry 5th and 6th Gen '02-'11, Solara '04-'08
    Hi, I need help identifying if my 2011 Camry SE 4 cylinder is California or Federal Emission. Reason i need to know this is because i have a check engine light on and autozone has diagnosed it to have p0137 which is an Oxygen sensor downstream... thats what i have been told. I am not able to...
  15. Corolla 7th Generation (1993-1997)
    Hello all, I now have my daughter-in-law's 93 corolla in my driveway to tinker with. DX wagon, 7A-FE, 5spd, no a/c. 151k miles. It runs great. But it didn't pass smog today. failed miserably. It's originally from Alaska, then speent a few years in the northwest before ending up here in...
  16. Corolla 6th Generation (1988-1992)
    My old Corolla is doing some stuff that makes me think the catalytic converter and/or the lower oxygen sensor needs to be replaced. Here are the symptoms: - Totally bogs down when going up an incline and getting worse. - Idle at a stop is a little rough. - Smelly exhaust (but not like rotten...
  17. Highlander 2nd Gen - Hybrid (XU40/2008-2013)
    Hello there, Questions: What (if any) do I need to disconnect? for e.g. AUX 12 v battery before replacing O2 Sensor or Spark Plugs? Typically when should I disconnect the battery, on what kind of DIY How to troubleshoot p0171 (NO check engine light, only Maintenance Light) How to...
  18. Camry 5th and 6th Gen '02-'11, Solara '04-'08
    I have been having this intermittent check engine light come and go for some time now and it came on yesterday as I was driving near an Auto Zone. So I popped in real quick before it went away. The ODB Scanner read P2236. The interwebs says that it is: O2 Sensor Signal Circuit Shorted to...
  19. Corolla 9th Gen/1st Gen Matrix (2003-2008)
    I have p0037 on 2006 Toyota Corolla sport with no any noticeable symptoms just the check engine light on the dash board. I have replaced my downstream oxygen sensor twice, once with a Bosch and now a Denso and still the light comes back on minutes after clearing the code. I have taken voltage...
  20. Corolla 8th Generation (1998-2002)
    Toyota Corolla EE111 1999 (XESaloon, 4efe, 1331 cc, automatic) - misfire problem Dear fellow members I experience a misfire of my engine when idling with a/c on. This is more pronounced while stopping (in traffic) with the gear in D position, holding the break pedal down but it also happens...
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