1996 Gmc Sierra Switch V6 V8 Truck Want Start Motor Good Heard Before They Pull

1996 GMC SIERRA
100,356 MILES
Avatar
MS TITHIE
  • MEMBER
  • 1 POST
Switch a v6 to v8 truck want start the motor is good I heard it before they pull it and put it in my truck they say I need a computor the one in thruck dont match v8 motor
Mar 30, 2013 at 6:25 AM
Advertisement
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
thats correct. is the wiring harness the same??? that may have to be changed as well

Roy
Mar 30, 2013 at 6:48 AM
Avatar
FREEMBA
  • ✓Experienced Mechanic
  • 1,152 POSTS
I agree. The V-6 computer is programmed to run 6 injectors and 6 spark plugs, etc. It cannot run the V-8 because of the firing order and such.

you'll have to locate a truck like yours that came with a V-8 and get that computer and ALL of the associated wiring harness.
Mar 30, 2013 at 7:03 AM
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