If you have the right tools and lifts and knowledge you can do it yourself for bout $300.00 (the part). Most traditional auto repair shops and dealership service departments will charge you $900.00 to 1,000.00 for parts and labor.
Example, Chevrolet would be the make, Impala would be the model.
BODY STYLE i WOULD SAY IS THE MAJOR DIFFERENCE
I would replace the fuel filter if been longer than 2 years also the throttle plate may need a cleaning.
Your timing could be off.
Your best bet would be to go to an auto parts house or bookstore and buy a Haynes Manual. They make them for specific cars and you will not be getting information you do not need.
Some great places in order to find a Chevrolet Impala 59 would be for example "CollectorCarAds", "Lowrider Magazine", "Craiglist" and of course "eBay".
The most probable answer is that you have a bad flasher.
Extremely difficult. It would be pretty difficult to replace a rack and pinion. You are probably better off having a professional do it, or even just buying a newer van.
On the passenger's side on the firewall just below where the evaporator would be.
The 2013 Chevrolet Impala runs on some very old bones, in the form of a platform that dates back to the 1980s. The base MSRP is $26,685 and is worth 25% of its original value after 5 years.
For best performance it would be best to do so every 30,000 miles.
The most likely cause is the turn signal flasher.