Engine dies

May 07, 2009

-   my jimmy is having he same problem im ready to take it to the junk yard. everything i can think of has been replaced ($350.00). truck was checked for all codes nothing shows up. Mechanic at the GM dealship fixed a pinched fuel line and timing.  ran good for about 2 days then just died on the highway.  went back a few hours later started up for about 5 minutes got it to about 30 MPH started backfiring like crazy,then died again, and now wont start. any help would be awesome thaks-   ChevyZ24