it can cost any were from 200 to 450 to replace the starter.
How do you replace starter in 1997 BMW 740il??
Oil for 1997 infiniti needed
How does one remove and replace the starter in the 1997 Bravada??
How do you replace a starter in a 1997 F-350 Turbo Pickup?
Where is the starter on a 1997 Honda Civic?
The starter relay is inside the starter. You will need to replace the starter.
Check the starter and your fuses.
Remove the positive cable from your 1997 Oldsmobile battery. Remove the starter cables from the front of the starter. Remove the starter retaining bolts. Reverse the process to install the new starter.
I had to replace a starter in my 96 and it cost around $350.00
disconnect lines and hoses and remove fasteners
"http://wiki.answers.com/Q/What_is_the_shop_labor_hours_to_replace_a_knock_sensor_on_a_infiniti_q45_1997"
There are some detailed articles on changing starter motors at ; http://www.carbasics.co.uk