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Toyota Highlander Check Engine Light

78 messages,  Last post on Dec 05, 2009 at 9:18 AM

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#69 of 78 01 HL CEL, VSC & TRAC light after washing? by woodstoc Mar 28, 2009 (2:57 pm)
My wife's 01 HL's CEL, VSC & TRAC lights came on after a car wash sometime ago. After a couple of days, the lights went out so I figured that a connection got wet and caused the lights.    Buy a pressure washer about three weeks ago, and the wife decided to wash the HL with it. Lo and behold, here they are again on the dash. After two weeks, I disconnected the battery and restored. Lights went away. After a few times of driving, they are back on and the SUV cannot be inspected.    Any ideas of where a connection might be, that could cause this so I can begin to troubleshoot? (The engine compartment was not opened for the wash)    Thanks for any replies.
#70 of 78 CEL codes P-1130 & P-1135 by woodstoc Mar 29, 2009 (4:27 pm)
01 Highlander, had Autozone pull these two codes. I bought a Haynes manual, but the codes do not run into the 1000's, they show to be all in the hundreds.   Can anyone tell me the meaning of these two codes, and possible solutions? I posted about washing the car and having these show up. I think something must have gotten wet to cause the codes.   Thanks. Replies to this message: jrfiero (Mar 30, 2009 4:13 am) woodstoc (Mar 30, 2009 5:30 am)
#71 of 78 Re: CEL codes P-1130 & P-1135 [woodstoc] by jrfiero Mar 30, 2009 (4:13 am)
Replying to: woodstoc (Mar 29, 2009 4:27 pm) Those are O2 sensor codes. Search this thread and you'll find plenty of info (but not about them being water-related). Replies to this message: woodstoc (Mar 30, 2009 5:30 am)
#72 of 78 Re: CEL codes P-1130 & P-1135 [jrfiero] by woodstoc Mar 30, 2009 (5:30 am)
Replying to: jrfiero (Mar 30, 2009 4:13 am) Thanks, I searched the net last night and found the codes. It appears that the bank 1 O2 sensor has an issue. I'm thinking that water entered the elec connector and possibly shorted it out or caused an issue. I'll try that first, then replace the sensor if necessary.   Thanks for your reply.
#73 of 78 RE: Toyota CEL [ashleydee] by eanders Oct 14, 2009 (5:03 am)
Replying to: ashleydee (Dec 19, 2008 6:22 am) I'm having the same problem with my 2003 Highlander, the Check Engine light keeps coming on. We've paid over $400 to have the 1st oxygen sensor fixed just a month ago, now the dealer is saying the 2nd one is out, another $400. Where can I find details on this recall - does it affect my model? I have an 8cyl AWD, thx for any help, this seems like an expensive issue. Replies to this message: ashleydee (Oct 14, 2009 5:38 am) eanders (Oct 15, 2009 6:43 am) jrfiero (Oct 16, 2009 5:01 am) and 1 more...
#74 of 78 RE: Toyota CEL [eanders] by ashleydee Oct 14, 2009 (5:38 am)
Replying to: eanders (Oct 14, 2009 5:03 am) do you know what the error message is when your check engine light comes on? if it says something like "emissions" then it's possibly the same problem i had. call the dealer and give them your VIN number, ask if there were any recalls for your vehicle. since the day i had mine fixed, i haven't had my CE come back on! thankfully!! Replies to this message: eanders (Oct 15, 2009 6:43 am) jrfiero (Oct 16, 2009 5:01 am) grthinker (Dec 05, 2009 9:18 am)
#75 of 78 RE: Toyota CEL [ashleydee] by eanders Oct 15, 2009 (6:43 am)
Replying to: ashleydee (Oct 14, 2009 5:38 am) When the 1st sensor blew in August, it was the heater circuit, bank 1 sensor 1, error msg PO135. Yesterday it was the heater circuit, bank2 sensor 1, error PO155. In checking online it seems only the 4cyl models were recalled, I have a 6cyl. I contacted the GM at the dealership yesterday to plead my case; the Svc Mgr seemed indifferent in resolving the issue. If each one of these sensors costs $400 to fix, with 4 of them in 2 "banks", that's a conceivable $1600 cost repair for each bank, yikes! Of course if they are not fixed, I'm learning it could be even more expensive if the catalytic converter is affected. WIth only 71K miles on this car, I feel I'm not getting that famous Toyota dependabililty. Replies to this message: jrfiero (Oct 16, 2009 5:01 am) grthinker (Dec 05, 2009 9:18 am)
#76 of 78 RE: Toyota CEL [eanders] by jrfiero Oct 16, 2009 (5:01 am)
Replying to: eanders (Oct 15, 2009 6:43 am) 1. If they're charging you $400, go somewhere else. Its a simple job and doesn't take any Toyota-specific knowledge or tool. 2. There are only 3 on the V6, despite what the manual says. Bank 1 is the rear exhaust manifold, Bank 2 is in the front manifold, and the third (post cat) is after the converter just before the muffler. 3. Please see posts 4360 and 4362 in the Maintenance and Repair forum. 4. There is no recall for O2 sensors. Someone posted a general comment that there was, but was not able to provide any detail. Replies to this message: grthinker (Dec 05, 2009 9:18 am)
#77 of 78 Toyota Highlander Maintenance Light by rdw1 Nov 05, 2009 (8:22 pm)
My son changed my oil in my 2005 Highlander, but I have forgotten how to get the light off. Can someone please tell me?
#78 of 78 RE: Toyota CEL [jrfiero] by grthinker Dec 05, 2009 (9:18 am)
Replying to: jrfiero (Oct 16, 2009 5:01 am) Back in September I had an O2 light also. The sensor, with a discount, cost me $250.00 at the Toyota dealership. Two days ago I got another light. I hope it's on the other (there are 2) bank. In any case, I ordered the sensor, a Bosch (OE) #1521 from Amazon for $109.00. I like the price. Since it is also the front sensor, I'll probably try to replace it myself. It's supposed to be an easy job? I'll need a special wrench and 'anti-seize' stuff for the treads.   Oh yes, and this is relevant. The time-to-change interval on these sensors is 100,000 miles. I had my first failure right after 100k and this second one at 105k. So, I suppose I shouldn't be surprised.

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