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Toyota Highlander Maintenance and Repair

4696 messages,  Last post on Dec 02, 2009 at 11:52 AM

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#4361 of 4696 Re: Complete: Check Engine Light: Diagnostic Codes; Replacing an Oxygen Sensor [jrfiero] by mikefm58 Aug 01, 2008 (10:38 am)
Replying to: jrfiero (Aug 01, 2008 5:27 am) Thanks a whole bunch for posting your experience. I REALLY appreciate it. I paid the dealer to replace an O2 sensor on my 04 Tacoma truck with 39K miles to the tune of $380. A friend of mine paid a dealer $350 to do the O2 sensor on his 04 4Runner with 67K miles. My wife drives an 04 4 cyl. Highlander with 38K miles and I plan to do the O2 sensor myself when (not if) it goes. Toyota quality, grrrrrrr.
#4362 of 4696 Addition: Check Engine Light: Diagnostic Codes; Replacing an Oxygen Sensor by jrfiero Aug 01, 2008 (11:58 am)
Replying to: jrfiero (Aug 01, 2008 5:27 am) You're welcome Mikefm58.   A thing or two I forgot to mention. At least in my "Complete: ..." message I didn't say I have a 2001 V6 Ltd. I've read on this list and somewhere else that the V6 HLs have four O2 sensors - I can only find three - two precat (Bank1 and Bank2 Sensor1) and one post-cat right before the muffler.   If you look on the various parts websites you'll see numerous O2 sensors which supposedly fit the precat locations. Some have connectors, others (universal fit) have just wires and you have to splice on the Toyota connector - they're much cheaper. Well, I'm cheap but I don't like the idea of having spliced wires on the O2 sensors, right near the exhaust manifolds, so I sprung for a genuine replacement.   Toyota calls this sensor an Air Fuel Ratio (AFR) sensor rather than an O2 sensor (not to be confused with an Air Flow or Mass Air Flow sensor, completely different). I suspect an AFR sensor and an O2 sensor are the same thing, in fact there's a previous message that says so. A local parts store told me they're different, and that only a Denso would work correctly, that a Bosch wouldn't work. I'm skeptical of that advice, but I went ahead and bought a Denso anyway.   Oh, and if you have the tools, two people and a cool engine, and the sensor comes right out, it's a 15 minute job. Replies to this message: wwest (Aug 01, 2008 1:14 pm)
#4363 of 4696 Re: Addition: Check Engine Light: Diagnostic Codes; Replacing an Oxygen Sensor [jrfiero] by wwest Aug 01, 2008 (1:14 pm)
Replying to: jrfiero (Aug 01, 2008 11:58 am) I think the difference is that the O2 sensor used for AFR must be (pre-)heated electrically whereas the one downstream does not. Some Toyota and Lexus models use the same one in both positions but without the rear one having an "active" conenction to the heater portion.
#4364 of 4696 ABS intermittant fault by quattrohead Aug 07, 2008 (4:20 am)
Bump, No one has ever seen this problem before ? My local dealer has not and rightly said there would be little chance of finding it until it gets worse. BTW, forgot to say its a 2002 V6 limited with 80K miles.   It could be a wiring issue, the truck has been crashed heavily twice Once in the front and another time T boned. I wonder if the wiring going down that side now has an issue. Anyone have full schematics or know where to find them ? Replies to this message: herzogtum71 (Aug 10, 2008 6:57 am) quattrohead (Aug 26, 2008 5:22 pm) highlander02 (Sep 10, 2008 4:44 pm)
#4365 of 4696 Re: ABS intermittant fault [quattrohead] by herzogtum71 Aug 10, 2008 (6:57 am)
Replying to: quattrohead (Aug 07, 2008 4:20 am) You might want to search the discussion for other makes. A friend of mine once talked about an ABS situation similar to what you describe. I believe it was with Subaru, and it had something to do with braking over potholes and/or water puddles. This was a long time ago, though, and it's pretty foggy in my memory.
#4366 of 4696 Toyota Highlander 2002 4 cylinder Oxygen Sensor location by 8beny8 Aug 11, 2008 (12:42 pm)
I need help to determine location of Oxygen Sensor 1 for Bank 2 (P0141) and Sensor 2 for Bank 2 (P0161). I saw the forum mentioned there are only two sensors but when I opened the hood there are for sensors (two for each sides, driver sides and passenger sides). I believe there are two heater sensors and two oxygen sensors. I requested the dealer to fax me the diagram, it shows three instead of four.
#4367 of 4696 Replaced my brake pads by jrfiero Aug 18, 2008 (4:24 am)
I just replaced the brake pads on all four wheels of my 2001 V6 Ltd with just over 68K miles. None was down to the squealers, but the fronts were close, less than 3mm. The rears were only slightly less worn. It couldn't be any easier to change the pads on this car. I had a little trouble with the dust boot on one piston not wanting to go back into the caliper with the piston, but other than that it was a cinch.
#4368 of 4696 Torn shock boots by jrfiero Aug 18, 2008 (4:28 am)
While I was replacing my brake pads, I noticed the boots on both rear shocks/struts are torn and useless. 1) is this a big deal? 2) I suspect its a major operation to replace them, removing the springs and all. Does anyone have any experience with such things?   The other thing I noticed while replacing the brake pads is that Nitrile gloves from Home Depot are junk. They tear with the slightest provocation. Nitriles are supposed to be tougher than your basic latex gloves, but these aren't. Buy 'em somewhere else. Replies to this message: electricdesign (Aug 18, 2008 10:17 am)
#4369 of 4696 Re: Torn shock boots [jrfiero] by electricdesign Aug 18, 2008 (10:17 am)
Replying to: jrfiero (Aug 18, 2008 4:28 am) Forget those thin nitrile gloves, they are too flimsy. I use a good pair of CLOTH GLOVES with the Nitrile covering that covers the fingers and inside of the palm of the glove, these are tough and last a long time, available at any auto parts store. The brand I bought was "Workwear", but I am sure most any brand of the same type gloves would be good. I have used mine for a year on many tough jobs, including doing an engine rebuild, several brake jobs and general servicing, and I throw them in the washing machine to clean them. Great gloves, they have made doing my mechanical work much easier and cleaner. E.D. ISF
#4370 of 4696 Re: EVAP Emission Error Codes [danmac] by seadoo2 Aug 20, 2008 (4:26 am)
Replying to: danmac (Apr 30, 2007 5:24 am) I have the same problem and the same Toyota Highlander 2002. Did you ever find out the problem and solution?   I have gotten several codes off the ecu scan and I am not sure what they will require to resolve the problem. The codes are: P0440 EVAP Emisison Control Malfunction    P0441 EVAP Emission Control System Purge flow fault    P0446 EVAP Emission Control Vent Circuit Malfunction

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