1989 Chevy Corsica missing very bad

1989 CHEVROLET CORSICA
100,000 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
MILANSDAD
  • MEMBER
  • 1 POST
the car has been missing very bad.It does not want to idle or run.When it is moveing it has no power.The fuel mileage is about 8 miles per gallon.I have checked the catilatic converter.There is a very strong smell of gas.what would be the first place to start?Thank you for your help
Mar 21, 2010 at 3:51 PM
Advertisement
Avatar
RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following:

1.Defective spark plug.
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors
10. Idle air control valve
11. Throttle position sensor
Mar 21, 2010 at 4:05 PM
Avatar
LEGITIMATE007
  • CAR REPAIR CONTRIBUTOR
  • 5,121 POSTS
I agree with Ras, another thing I found that a lot of people overlook is a partially clogged catalytic
Mar 30, 2010 at 8:40 AM
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.