It could be the coolant sensor or the rotor sensor, both play a big part in the idle and gas mixture for the car. I found out the hard way. My calais kept shutting down on me.
First check your throttle body sensor and then your (iac) motor. Last but not least it could be your plenum gasket or a leak in your vacuum system
There are several reasons why a pilot light could be going on. One reason is there could be a light breeze that is extinguishing the flame.
Doppler red shifts and blue shifts of light from the stars in the galaxies.
replace timing chain
Sounds like bulbs have burned out try replacing them
you have a cylinder misfire
Needs a Tune up
It is a spectrum
What shifts is the frequencies of the light. This can be observed by certain lines in the spectrum, which have very specific positions (frequencies).
replace the alternator
it is possible to be the brakes or the transmission have it checked by a mechanic.
Have vehicle scanned to determine problem and recover codes Could be a bad coolant temperature sensor