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Old 01-24-08, 05:30 PM   #1
tmarkovina
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Default same problem, right before inspection

vsc on / off, check engine... i'm getting worried
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Old 01-24-08, 06:33 PM   #2
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I had the same problem with my 06 GS. Turned out to be the gas cap not cranked down. I took it off, put it back on until I heard 3-4 clicks. A couple of days later, the light went out. Problem solved without a trip to the dealer.
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Old 04-12-09, 02:55 PM   #3
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I just tripped the check vsc, engine malfunction and slip lights on my 06 RWD GS this past Friday. Couldn't take my car in on Saturday due to a power outage at the Lexus dealership in Vegas. According to different sources, an improper seal would trip these lights. Well, upon research and inspection of the gas cap, I've found the actual gas cap to be faulty. I would crank it down at 4-5 clicks, but would be able to remove the gas cap with very minimal force (no resistance indicating that it was ever tightened down). I'll be taking it to the dealership tomorrow to confirm the findings.
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Old 04-13-09, 11:20 AM   #4
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It's probably your fuel cap..I had the same problem....Open your fuel door...unscrew then re-screw the gas cap back on...make sure you get a least 3 clicks.....drive it for a little while....then restart it. The light should go off.
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Old 04-17-09, 01:41 AM   #5
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Quote:
Originally Posted by bryanc182 View Post
It's probably your fuel cap..I had the same problem....Open your fuel door...unscrew then re-screw the gas cap back on...make sure you get a least 3 clicks.....drive it for a little while....then restart it. The light should go off.
If this happens again, it's easy to fix the gas cap rather than replacing it. See this post in another VSC thread.
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Old 04-13-09, 04:04 PM   #6
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This happened to me 2 weeks ago. Check VSC on screen and the check engine light was on. I took in to Lexus and they told me a sensor went bad. Everything is fine now. I think on the work order, it said an O2 sensor was replaced.
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Old 04-14-09, 04:50 PM   #7
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For my case, it was only the gas cap. It wouldn't tighten so they simply replaced it. All is good now!
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Old 05-19-09, 07:25 AM   #8
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Does anybody have any updates on their Check VSC? Mine just came on and I bought mine on Friday... =\
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Old 05-19-09, 12:42 PM   #9
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Quote:
Originally Posted by jonnyxboi View Post
Does anybody have any updates on their Check VSC? Mine just came on and I bought mine on Friday... =\
The CEL will throw the VSC also. If its the gas cap or anything simple one the code(s) clear or you have them reset it will rest the VSC also. I also had this happen and had them replace my gas cap. havent had any issues since then
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Old 07-01-09, 02:51 PM   #10
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Same thing just happened to me on the way to work. Will have to check out this thread later on when I get home. How much do you think they will charge for this fix? I'm almost at 53000 miles and my warranty just ended. Perfect timing huh?
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Old 10-14-09, 03:54 PM   #11
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Default Check engine/ VSC light

Hello, I have a 1998 GS 300. About 3 days ago the check engine light came on, but nothing seemed to be wrong other than 1st and 2nd gears had a hesitation when they changed. But last night the car hit 200K miles and this morning I was driving it and it started hesitating really badly in 1st gear; when I push the gas the car doesn't move or build up any RPM unless I slam the pedal down all the way it goes a little bit. So I had to just park it because it won't drive over about 20 MPH. Immediately when this happened I noticed the VSC off and VSC lights illuminate along with the check engine light that had already been lit. I think it may be a transmission issue but am unsure.
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Old 10-14-09, 11:03 PM   #12
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easy fix clean your MAF sensor i had the same problem nothing a 150$ obd2 reader cant solve. My maf on the air filter was so dirt filled from all the dust and car exhaust from trucks as soon as i cleaned it and put in a K&N filter to get rid of the old oem garbage filter it clearned on its own.

so check:

air box/sensor
vacuum lines coming off the intake
intake filter
also check the connections from on the brake u may have knocked one loose
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Old 11-04-09, 06:53 PM   #13
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I have same problem. I dropped my car to friend's shop and he checked the computer stuff. He told me that I needed to change computer and two oxygen sensors by dealer. He can fix it but he can't program the computer. It might cover by warranty.
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06, brake, cap, cel, check, engine, gas, gs300, gs430, is250, lexus, light, lights, ls430, reset, vsc

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