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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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#28 of 78 Re: Check Engine Light [kent17] by ticadoo Mar 31, 2008 (6:13 am)
Replying to: kent17 (Mar 28, 2008 12:31 pm) Yep, all problems sound alike. I too was told that it might be the catalytic conveter, but since I had alreadyspent so much money on it, decided not to replace it. I was really disappointed with this vehicle and have recently traded it in.
#31 of 78 Re: Check Engine Light by ashleydee May 12, 2008 (5:42 am)
i have a 2003 4cyl, my check engine light kept coming on and going off as well. i used a home diagnostic machine and it said both bays in my catalytic converter. i took my HL in after it coming on & going off several times and found out there was a recall. apparently something to do with my computer needing to be fixed. any of you that hasn't had your recall done needs to. the dealership can figure look up your vin and tell you if it has been.   my HL has been just fine without any scary check engine lights... until this morning hopefully it's nothing :::crossing fingers:::. Replies to this message: akalady_2000 (Aug 02, 2008 1:06 pm)
#32 of 78 Please post what year by ronn May 13, 2008 (4:37 am)
Hello everyone, please post what year your Highlander is when posting a problem or comment. It would be very helpful in trying to give an answer. Different years make a difference.
#33 of 78 check engine light on by ruster Jun 15, 2008 (10:41 am)
I have a 2003 Toyota Highlander which I recently had a 60000 mile service. A few days later my check engine light came on. I took it to an auto parts store which performed a simple diagnostics test and told me it was something with the emissions. He suggested my gas cap was not tight, he reset it, that lasted 2 days and it came on again. Someone else suggested a bad EPR valve?? Any suggestions and could it have something to do with the recent major service at 60000 miles?? Replies to this message: rodonnell (Jun 25, 2008 10:43 am) bikeman3 (Jun 25, 2008 5:48 pm)
#34 of 78 Re: check engine light on [ruster] by rodonnell Jun 25, 2008 (10:43 am)
Replying to: ruster (Jun 15, 2008 10:41 am) Do you know what code the computer is throwing? The simple reader should display it along with the system affected.   I generally don't trust the minimum wage employees at the parts store to give me an accurate assessment of the problem so I bought an ACTRON Scan Tool from the auto parts store, about $150, works for every vehicle manufactured beginning in 1996. The tool will give you a code(s) readout plus give a status rundown of all the systems the vehicle computer monitors. You should be able to cross the code to the charts in the maintenance manual, (I use Haynes supplemented by a subscription to All Data). This should point you in the necessary direction.
#35 of 78 Re: check engine light on [ruster] by bikeman3 Jun 25, 2008 (5:48 pm)
Replying to: ruster (Jun 15, 2008 10:41 am) Make sure vacuum hoses are attached Mine comes on after oiL changes at jiffy lube each time something was amiss I now get oil changed at reputable shops taht dont try to sell me something I have an 03 highlander 100K
#36 of 78 CHECK ENGINE LIGHT ON AT 62K ON A 2003 HIGHLANDER by angieth Jun 30, 2008 (12:13 pm)
Is Toyota now downgrading its quality??? Very happy with mine until recently at my 60K(done 62K) check. Replaced worn front pads and resurfaced machine rotors, transpan replcmnt because of seapage, replaced weak battery, performed total fuel system service...in addition to the 60k check. The dealership got $1,100.00 from me just that day. Now, 2 wks after, my engine light came on. Had them performed the diagnostics and found out it was the oxygen sensor. Since the warranty is long gone, I called the 800 number for TOYOTA to find out if there was any recall (after providing bin #) as it's still very early for this vehicle to be having the sensor replaced. Was told there was none and that no one called with such a problem before....opposed to the web-info I'd been coming across heavily. Also responded to my question that Toyota hasn't downgraded it's quality but that they can't guarantee the "parts'- life". (HUHH???) And that my only resolve is to talk to the Dealership I'd been taking my vehicle for some discount. I just can't believe that this is now what TOYOTA is. Anyhow, my questions are for those who has the same year model: Did you have the same problems?? And what more problems did you encounter past its 62K life??? Is Toyota worth some re-thinking or just solely on Highlanders??? Thanks. Replies to this message: bikeman3 (Jun 30, 2008 3:36 pm) angieth (Jun 30, 2008 4:52 pm) akalady_2000 (Aug 02, 2008 1:03 pm) jrfiero (Aug 02, 2008 5:08 pm) angieth (Aug 22, 2008 4:49 am) hilndr4me (Aug 24, 2008 9:47 am)
#37 of 78 Re: Check Engine Light by ashleydee Jun 30, 2008 (12:56 pm)
well i'm back to the drawing board on this check engine light business. my 2003 4cyl HL is once again almost giving me a nervous breakdown!!   i read somewhere that if you blow in the tank after pumping gas it will keep from your CEL coming on. i've even tried that.   my error is: EVAP emission control system malfunction   i only have about 86K miles on my 2003 4cyl 2wd HL. this should not be happening. i've been a tried and true believer and preacher of toyota since 16 and have never had this many problems. Replies to this message: ashleydee (Jun 30, 2008 5:24 pm) mazaniac (Jul 11, 2008 11:00 am) bigdogman111 (Jul 14, 2008 3:53 am) ashleydee (Jul 14, 2008 5:25 am)

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