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Old 04-24-2011, 09:04 PM #1
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VSC TRAC + Check Engine after spark plug replacement
Hey all-

Today I replaced my spark plugs and engine air filter and everything went well, however the check engine and VSC TRAC lights are now on and I cannot figure out why?! It's an 05 SR5 V6.

Any help would be appreciated.
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Old 04-24-2011, 09:09 PM #2
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Did it misfire at all?
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Old 04-24-2011, 09:23 PM #3
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actually it did for a second. One of the coils was not plugged in all the way at 1st.
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Old 04-24-2011, 09:30 PM #4
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I would disconnect the battery for about 15 min, this will reset the ECU and get rid of the lights.

You should be good to go then!
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Old 04-24-2011, 09:47 PM #5
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disconnect both terminals?
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Old 04-24-2011, 10:42 PM #6
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Na only need to disconnect one. The neg seems to be, everyones favorite.
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Old 05-29-2011, 11:18 PM #7
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Replaced Air Intake and spark plugs. Same lights came on. Went off on their own the third or fourth time I started the car, with a little highway driving in between. Hope you had the same good results.
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Old 08-08-2011, 09:09 PM #8
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I had the same indications a while back. Turned out the gas cap was loose!
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Old 04-23-2016, 07:18 PM #9
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Same deal
I forgot to plug in my last plug on my 2005 V8. Same deal, cel and vsc trac went off. I waited 30 min after I plugged the plug in and all the lights went off. Ended up not being a big deal. I needed to work harder on my quality assurance. Better luck on the Camry, should take half the time!
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Old 04-23-2016, 10:29 PM #10
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Did The same thing, It was sputtering and I had a blonde moment and didn't plug one of the coils in. Reset the light with my ScanGuage and problem solved.
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Old 06-04-2023, 04:06 AM #11
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I started with a new gas cap from the stealership, I tightened to 4-5 clicks after every fill up and it went away.
Mine has 145,000 miles and is in good form.
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