How to turn off check engine and VSC lights?

50

Asked by FL_GPa Apr 10, 2018 at 02:21 PM about the 2011 Toyota Avalon Limited

Question type: Maintenance & Repair

2011 Avalon Limited.  47,000 mi. P code came back as P0301, meaning Cylinder 1 misfire detected.  But, the engine runs smoothly. No rough idle; no hesitation; no stumble on acceleration.

How to turn of the warning lights?

7 Answers

26,290

Well, if you do not have a code scanner then do this: with the key in the off position, remove the positive battery terminal, wait about 15 minutes, replace the terminal, making sure that it is tight; turn the key to the on position for a moment to allow the computer to reset and start the car. The codes should be gone. Some times when you do this it takes a bit longer for the engine to start, it is o.k.

8 people found this helpful.

Did you check the #1 plug? I would not assume that nothing is wrong.

1 people found this helpful.
50

Removing the battery cable will also loose all my set-ups for seat position, auto window function, and some others. Sadly, I've forgotten the sequence to to reconfigure windows, door locks, etc. Others are just a nuisance. I have not checked the engine. Also have forgotten which plug is No. 1.... But I am suspicious that a rear issue would result in poor engine performance? Thanks for helping!!

1 people found this helpful.

Buy a code reader to reset the codes without losing settings. You may want to check all the plugs to see if one looks bad.

1 people found this helpful.

The #1 plug is at the left rear as you face the engine at the front of the car.

1 people found this helpful.
50

Ah, yes! Next question, how does that plastic beauty cover come off? Feels like it's just snapped into place.

1 people found this helpful.

I can't say but if there are no fasteners then it snaps on. Be careful and find where the snaps are and only apply force where the snaps are.

3 people found this helpful.

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