Code - Result: 
big dog - Dragster Wheels 
small cat - Small Front Wheels 
engine - Strong Engine 
money - 00,000 
 
Fix a car fast:
If you want to fix up a car with a bunch of bad parts press Delete + End + Page 
Down. This will cost you the repair cost. This does not work on heavily damaged 
(gray) parts. 

Fast Task Completion:
Press INSERT + HOME + PAGEUP on a job and instantly finish it with no hassle! 
 
God-like mode:
Do all the jobs you can. After it says that there are no more jobs, get a cheap car 
from the auction, fix it up, and try to get more than $20,000, which will get you to 
God-like mode. 

Easy money:
Note: This does not work on high priced or third party cars. Buy an old or new 
junker from the auction. Do not repair this car. Just take and buy a new car door 
from the catalog. Put the door or whatever part on the car and auction it. This will 
generally make anywhere from $78 to $1,000 profit.

Free job:
When you are in job mode, press [Insert] + [Home] + [Page Up]. The job will 
automatically finish, you get to keep your money, will get paid.

Free parts:
Take parts off people's cars then enable the "Free job" code. You will still have the 
parts under that car name and still get paid the full amount.