There could be many reasons for this. If your A/C is on, or if your defroster is using the A/C, the PCM could be revving the engine slightly to keep the additional drag from stalling the engine. It's also possible you have a vacuum leak, such as from a disconnected vacuum hose, under the hood. Or a problem with the EGR system. Is the check engine light in your car on?
DEAD ALTERNATOR
EXPLOSIN!! trust ima dinamite expert.
Make of car?
The gasoline engine usually shuts off when stopped at a red light.
yes
both of you..
1st You are never ever safe stopped on the Freeway. IT IS DANGEROUS! If you get stopped in a traffic jam the normal rules apply, stay back at least far enough to see the bottom of the tires on the rear of the car in front.
Totally! It is normal for any car.
She stopped at the red light before continuing on her way.
i do not have a clue what your talking about! why not define what you mean?
Without some very unusual circumstances, it's going to be the car that read-ended the stopped car. There are very few good reasons for running in to the back of a stopped car.
Assuming you are in the car that stopped at the light and you hit the car that was passing, It is obvious the car passing illegally on the right gets the ticket and the blame and had better have insurance.