1985 Cadillac Brougham Idling problems

1985 CADILLAC FLEETWOOD BROUGHAM
97,000 MILES • 4.1L • V8 • RWD • AUTOMATIC
Avatar
LACMAN
  • MEMBER
  • 2 POSTS
When I start my car, the motor is idling real high, I can depress the brake while the car is idling high in park, then the motor idles down. What causes this problem?
Mar 3, 2014 at 6:24 PM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check for a vacuum leak
Mar 4, 2014 at 7:18 AM
Avatar
LACMAN
  • MEMBER
  • 2 POSTS
Will a vacuum leak cause my service engine light to stay on?, the light remains on too
Mar 4, 2014 at 8:29 AM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
it cold but scan for codes to see why it's on or what area to check on engine.
Mar 4, 2014 at 11:57 AM