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4Runner VSC trac, check engine light
by joshf
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Jun 27, 2007 (7:34 pm)
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Hello-
I have a 2003 4Runner with about 50k miles. All at one time, the check engine, VSC Trac and Trac Off lights all came on at one time. the car seems to drive fine. Do I need to get it serviced? Anyone else come across this?
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- #2 of 35
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Re: 4Runner VSC trac, check engine light [joshf]
by trtopflyer
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Jun 30, 2007 (5:35 am)
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Replying to: joshf (Jun 27, 2007 7:34 pm)
We have the same exact problem with our 2002 with 52K miles. It happened to us on a road trip to the mountains from the beach last week. The problem seems to re-set itself after a while but then yesterday it came back on again. I think it is problem a sensor but would like to know which one and where it is located on the 4Runner.
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- #3 of 35
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Re: 4Runner VSC trac, check engine light [joshf]
by md4runnerman
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Jun 30, 2007 (3:39 pm)
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Replying to: joshf (Jun 27, 2007 7:34 pm)
I had the same thing on my 2004 4Runner at just 2800 miles. I took it back to the dealer under warranty. Looking at my invoice, regarding the check engine light, the tech notes say:
OL2 sensor heater control circuit low.
Wiring harness to 02 sensor shorted to body.
Repair wiring harness.
Regarding the VSC and Trac Light:
Decel Sensor undone.
Recalibrated decel sensor.
I hope this helps.
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- #4 of 35
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Re: 4Runner VSC trac, check engine light [joshf]
by rud1
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Aug 06, 2007 (8:52 am)
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Replying to: joshf (Jun 27, 2007 7:34 pm)
I had the same problem w/ my 03 after disconnecting the neg. wire to the battery to clean up. Both lights turned off after driving around for one day. However, the automatic roll down for the rear window doesn't seem to work anymore. Any suggestions? Thanks.
RUD1
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- #5 of 35
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Re: 4Runner VSC trac, check engine light [joshf]
by brymo23
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Sep 12, 2007 (4:27 pm)
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Replying to: joshf (Jun 27, 2007 7:34 pm)
I have a 2006 with 20k on it. I had the check engine light VSC and traction control lights come on. The dealership tells me that computer code read when hooked up to the computer it says that the O2 sensor in the catalytic converter is bad. Toyota will not replace just the sensor. So they replaced the catalytic converter. That was a week ago. The lights came back on this week and a new cat was installed today. Hopefully this time it works cause I'm tired of going to the dealership.
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- #6 of 35
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Re: 4Runner VSC trac, check engine light [joshf]
by farchila
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Oct 06, 2007 (8:04 pm)
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Replying to: joshf (Jun 27, 2007 7:34 pm)
Joshf,
I'm having the same issue, I will appreciate if you can tell me what happend to your vehicule.
Thank you  
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- #7 of 35
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Re: 4Runner VSC trac, check engine light [md4runnerman]
by sosborne
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Oct 09, 2007 (7:35 am)
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Replying to: md4runnerman (Jun 30, 2007 3:39 pm)
Hi, I'm having a problem similar to yours. Did this fix your problem. I don't want to have to get a catalytic converter if i don't have to . sheila
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- #8 of 35
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Re: 4Runner VSC trac, check engine light [brymo23]
by sosborne
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Oct 09, 2007 (7:37 am)
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Replying to: brymo23 (Sep 12, 2007 4:27 pm)
By replacing the converter did it work?? I'm afraid we'll replace it and it won't solve the problem. sheila
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- #9 of 35
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Re: 4Runner VSC trac, check engine light [sosborne]
by canddmeyer
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Oct 10, 2007 (12:43 am)
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Replying to: sosborne (Oct 09, 2007 7:37 am)
Hi everyone. Numerous folks including myself have had the VSC issue, but not all of us had the same fix. It's best to let your dealer diagnose and repair IMO. It could get very expensive swapping parts unnecessarily.
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- #10 of 35
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4runner)01 sr5 vsc,check eng, track off
by ojarquin
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Oct 10, 2007 (11:08 am)
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hello, I cant believe so many people have this problem. ( Me too) while driving all came on. I have jet to find what code it has. on 04/06 I had the same thing. took to dealer and they said it was the throtle body assy. car was still under warr. total was around 1,ooo &change. code went away but now it cameback. warr for work was for 1year (my lost)
My miles now is around 75,ooo
any thoughts?
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