SPONSORED LINKS

Erratic spark/misfire

Tiny
BUBBA8712
  • MEMBER
  • 1990 EAGLE TALON
  • 4 CYL
  • FWD
  • MANUAL
  • 140 MILES
1990 Eagle Talon 2.0 DOC idles rough, erratic spark(via timing light) throughout RPM range. Less so in the higher rpms. Assuming the wires and plugs are good, what would cause this?
Tuesday, February 15th, 2011 AT 4:42 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following:

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs
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.Manifold absolute pressure sensor
12.Mass Airflow Sensor
13.Idle air control valve

Note: If it doesn't apply disregard it-
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Friday, March 18th, 2011 AT 7:42 PM

Please login or register to post a reply.

Related Engine Misfire Content

Intermittent Misfire
VIDEO
Intermittent Misfire
Instructional repair video
Misfire Random Code P0300
GUIDE
Misfire Random Code P0300
The world of automotive diagnostics can be complex, with numerous codes and potential issues to keep track of. One of the more common engine diagnostic codes is P0300, which...
VIEW MORE

Sponsored links