Quote Originally Posted by pennyman1 View Post
if your truck is fuel injected, either it is not an 1988 or had a motor swap. There is a connector under the dash that you hook an analog meter to for codes, but I am not sure where it is on the 2nd gen trucks - I am a 1st gen guy mostly. Search the forum for reading codes - there are several threads on here for that.
Sorryn Pennyman1, i have to change my vehicle on my profile. should be changed to 1990