1989 Chevy Caprice car idles eratic after engine swap

1989 CHEVROLET CAPRICE
Avatar
WFRALEY
  • MEMBER
  • 1 POST
Computer problem
1989 Chevy Caprice 6 cyl Two Wheel Drive Automatic

I changed engine from v8 to 4.3 v6 Will the computer from v8 run the v6 the engine? It runs but cant get the idle right no matter what I do-
Jun 14, 2010 at 5:01 PM
Advertisement
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
you should really get a computer form a V-6 because the current one will think it's a V8 and won't work right. But check your throttle body gasket as they used to blow alot and cause vacuum leaks. Also the hose going to the map sensor gets soft and sucks together.
Jul 2, 2010 at 7:27 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