SmoothGS3

hello all does anyone know why the trac light comes on?i have my check engine light on for awhile because of a faulty EGR valve,but my trac light came on,could some help me out on some info..im kinda worried but the car just shows the same signs of a bad egr valve small studders while in idle,oh also the trac light comes on as soon as i shift to move,but when i cut the car on there no trac light only when i go to shift.

1stGS30

check switch

SmoothGS3

what switch? the the trac button on the dash?

2turbo4u

What been done to the car?

humanoid

iTrader: (1)

Could be a bad throttle position sensor.

SmoothGS3

would that throw a code or are there signs while driving the car?