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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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#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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