5.7 GSI pefs surging

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
51,133
plug in your Diacom software and look at the paramaters. find out which one is out-of-whack and do some troubleshooting.
 

efafal

Recruit
Joined
Sep 6, 2019
Messages
2
i dont have diacom software or etc. My mechanic says the problem is iac valve but he is not sure about it ! i dont want to waste money on it! Engine surges in continiuos loop only at idle when it is cold!
 
Top