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Toyota Highlander Check Engine Light

77 messages,  Last post on Nov 05, 2009 at 8:22 PM

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What is this discussion about? Toyota Highlander, SUV

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#58 of 77 To clear maint reqd lite by hwhit26 Nov 17, 2008 (11:11 am)
1. Insure odometer reading displayed 2. Turn off ignition switch 3. Hold odometer stem in & turn key to on position 4. Turn key back to off and release stem Note: this works on first try for me
#59 of 77 Engine check light – P0161- Oxygen sensor issue by ch1133 Nov 20, 2008 (11:24 am)
2003 Highlander 4 cylinder 90K+ miles   I have error P0161- bad downnstream oxygen sensors   I want to disconnect both downstream oxygen sensors and need to know how to avoid getting engine check light when oxygen sensors are disconnected. Is there a way to loop-connect those 4 wires to make engine check light go away? That way check light will be working to alert me of other error codes   In case you wonder why I do not want to replace downstream sensors what is the purpose of spending $500+ to find out if catalytic converter is failing. I am not going to replace cat. conv. anyway
#60 of 77 2004 toyota Highlander CIL and VSC by kona5 Dec 17, 2008 (6:14 pm)
I have a 2004 Highlander Limited that both the check engine light and VSC light came on the other morning when I went out to start the car during a snow storm with temperatures in the 20's. The car has 57,100 miles on it. It was serviced in March of this year at 50,000 miles. Any thoughts on what this might be. Replies to this message: kent17 (Dec 18, 2008 6:33 am) jrfiero (Dec 19, 2008 5:29 am)
#61 of 77 Re: 2004 toyota Highlander CIL and VSC [kona5] by kent17 Dec 18, 2008 (6:33 am)
Replying to: kona5 (Dec 17, 2008 6:14 pm) Unfortunately, no. I never figured it/them out on my car (which was a 4cyl) and finally gave up. Are the lights still burning or did they go out? On more than one occasion, my CIL would come on, then mysteriously extinguish itself later. What a pain. It always seems to boil down to something related to the emissions system.
#62 of 77 Re: 2004 toyota Highlander CIL and VSC [kona5] by jrfiero Dec 19, 2008 (5:29 am)
Replying to: kona5 (Dec 17, 2008 6:14 pm) A CEL can mean many things, and for some weird Toyota reason the VSC light always comes on when theres a code causing the CEL to come on. You need a code reader, available for use at many auto parts stores (Advance Auto around here), then some web research to find more info on the code. I think the most commonly discussed causes on this list have been Oxygen sensors.
#63 of 77 RE: Toyota CEL by ashleydee Dec 19, 2008 (6:22 am)
once again i'll add that there is a recall on this item for highlanders. make sure you have this done. i've not had any CEL issues since mine was fixed. please call your dealer, they can verify your VIN number to determine whether or not your internal computer has been updated. Replies to this message: jrfiero (Dec 29, 2008 6:11 am) ashleydee (Dec 29, 2008 6:16 am) jrfiero (Dec 30, 2008 5:33 am) eanders (Oct 14, 2009 5:03 am) ashleydee (Oct 14, 2009 5:38 am) eanders (Oct 15, 2009 6:43 am) and 1 more...
#64 of 77 RE: Toyota CEL [ashleydee] by jrfiero Dec 29, 2008 (6:11 am)
Replying to: ashleydee (Dec 19, 2008 6:22 am) from #63 - "once again i'll add that there is a recall on this item for highlanders."   What "item" are you talking about? Replies to this message: ashleydee (Dec 29, 2008 6:16 am) jrfiero (Dec 30, 2008 5:33 am)
#65 of 77 RE: Toyota CEL [jrfiero] by ashleydee Dec 29, 2008 (6:16 am)
Replying to: jrfiero (Dec 29, 2008 6:11 am) the CEL for emission control. Replies to this message: jrfiero (Dec 30, 2008 5:33 am)
#66 of 77 RE: Toyota CEL [ashleydee] by jrfiero Dec 30, 2008 (5:33 am)
Replying to: ashleydee (Dec 29, 2008 6:16 am) Could you please be more specific? What aspect of emission control which causes the CEL is covered by a recall?
#67 of 77 RE: CEL by ashleydee Dec 30, 2008 (6:05 am)
i can't remember the exact code my CEL gave. if you call your dealer and give them your VIN number they can tell you if all of your recall updates have been done. Replies to this message: jrfiero (Dec 31, 2008 5:05 am)

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