2002 Nissan Frontier

2002 NISSAN FRONTIER
70,922 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
AZMIKE
  • MEMBER
  • 1 POST
Engine on my 2002 Frontier 4 cyl DOHC will run fine for a while, then run rough and dies when you slow down and rpms drop It will start again, but runs rough and dies
Aug 12, 2010 at 10:46 AM
Advertisement
Avatar
RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
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.
Aug 13, 2010 at 12:29 AM
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.