1994 Dodge Ram rough idle

1994 DODGE RAM
163,000 MILES • V12 • 4WD • AUTOMATIC
Avatar
WATKINSFARMS
  • MEMBER
  • 1 POST
Truck is really a v-10!! Rough Idle, Engine Revs and drops at idle, 1000rpm max - 500rpm minimum. Does not do it all the time. Sent to shop with no results, also tried sea foam injector cleaner.
Oct 6, 2010 at 3:20 PM
Advertisement
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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.
Oct 6, 2010 at 3:26 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
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 new question

Frequently Asked Problems for This Vehicle