1996 trans am running rich

1996 PONTIAC TRANS AM
119,000 MILES • V8 • 2WD
Avatar
CFILYAW85
  • MEMBER
  • 1 POST
yes i have a 1996 pontiac trans am with 6 speed and lt1 motor. i have new msd wires cap coil plugs complete tuneup im having a skip are hesatation until i get around 3000 rpms. I have a strong gas smell comeing frome the exoust.i have no codes.IS there anybody that has had this problem or know how to fix it
Feb 25, 2011 at 4:03 AM
Advertisement
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Probable causes of an engine running rich are as follows:

1.Excessive fuel pressure can be cause by restricted fuel return line
2.Defective Oxygen Sensors.
3.Leaking injectors and fuel pressure regulator.
4.Coolant temperature sensor out of calibration.
5.Restricted air intake system.
Mar 11, 2011 at 5:04 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