S10 & Blazer DIY and Useful Threads This section is strictly for frequently asked questions pertaining to S10s and Blazers.

service engine soon light comes on and off periodically

Thread Tools
 
Search this Thread
 
Old May 10th, 2017, 8:06 AM
  #1  
CF Beginner
Thread Starter
 
Dillon0207's Avatar
 
Join Date: May 2017
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default service engine soon light comes on and off periodically

i have a 1988 s10 2.5L 5 speed and the service engine soon light comes on for 30 seconds then off for about 30 seconds. sometimes it will have a misfire for a second and run fine for a while. what would cause this?




All times are GMT -5. The time now is 2:36 PM.