1998 Ford Escort noise in oil fill cap

1998 FORD ESCORT
101,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
ED MATTHEWS
  • MEMBER
  • 1 POST
while car is running I take the oil fill cap off and there is air pressure in the motor and when I shut the motor off there is a hissing noise
Mar 31, 2009 at 3:59 PM
Advertisement
Avatar
BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
If engine running fine and no check engine light
I would consider that is normal
Mar 31, 2009 at 10:06 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.