2005 Colorado

Tiny
JFBJ664
  • MEMBER
  • 2005 CHEVROLET COLORADO
  • 5 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
05 chevy colorado rough idle. I checked fuel pressure it is 58 psi. Ck engine light on with misfire codes. Any ideas
Monday, January 3rd, 2011 AT 5:05 PM

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
+1
Monday, March 21st, 2011 AT 12:32 AM

Please login or register to post a reply.

Related Engine Idle Rough Content

Rough Engine Idle
GUIDE
Rough Engine Idle
A rough engine idle condition is a common issue that many drivers face often indicating underlying problems within the engine, fuel or ignition system. We have created this...
VIEW MORE

Sponsored links