Short fuel trim is around 3% but long trim is 25% on both ,so far I have replaced fuel filter, it was restricted,,,cleaned MAF sensor ,PVC,,replaced upstream 02 sensors,sprayed brake clean to try and find vacuum leak,did this twice !,Did vacuum reading and it's at 22,,,Is this problem common with this LS engine,other than that engine runs good pulled injectors to have cleaned and hope that makes it run right but just shooting in dark now,thanks for your help,at this point I'm working on this guys car for free ha ha,
Aug 4, 2015 at 6:47 PM
