When starting my Equinox, it seems to crank over and keep mis-firing. Sometimes after a while, it starts, and sometimes it doesn't start and times out. This seems to happen only occasionally with no rhyme or reason when it will happen. When it was under warranty, GM replaced the EGR valve, but still acts up.

SOURCE: 2000 chevy impala - faulty directionals, sometimes

I would say that there is a part that is broke inside the sterring column!! I would have that looked into by a professional mechainc being that you have to worry about the airbag!!

SOURCE: I cant find the egr valve.

EGR exhaust gas regulator,

ex$pensive part, don't know the spec's but it
it should be covered under the EPA warranty
for your vehicle. I'm thinkin the limits are 80/100K

SOURCE: 2005 equinox the intermittant power steering issue

The power steering is on this vehicle is electronically assisted. Meaning it does not have a power steering pump. The electric motor could be going out, pulling too much current at times, and tripping the breaker. The best thing to do is take it to the dealer, and have them inspect it.

SOURCE: 1995 camaro z28 keeps loosing fire

it might be the optispark harness wire.it starts and runs good. once u turn it off its hard to turn back on?

SOURCE: I have 1989 s-10 pickup with 2.5 4cyl. Sometimes

This does happen a lot if the spark plugs are worn out or the type of plug altogether is wrong. The plug might be struggling to keep sparking if it is worn out or the elctrode gap it too wide on the spark plug. Have a look at the car manual to learn more about the spark plug but also Have a look at the ones already in the car and see if they are the right ones recommended in the manual and also check if they look worn out.

I hope this helps you in some way. Good luck!