1991 Honda Civic

1991 HONDA CIVIC
Avatar
MANUEL1010
  • MEMBER
  • 1 POST
Engine Performance problem
1991 Honda Civic 4 cyl Two Wheel Drive Manual

I have changed sparks plugs,cables ignition rotor,ignition coil,distributor cap,distributor,and still misfires I dont know what else to do
Jul 27, 2010 at 4:41 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.Throttle position sensor.
11.Idle air control valve.
12.Engine compression problem
Jul 27, 2010 at 5:38 PM
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.