Lloyd Delmont
Newbie
1988 K2500 5.7l. Is not firing.New coil,new distributer,new plug wires.It is a bypass ignition.I disconnected the blk/tan wire to bypass computer still nothing. All grounds seem to be in place.I am stumped.
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
Did you have spark before replacing everything?1988 K2500 5.7l. Is not firing.New coil,new distributer,new plug wires.It is a bypass ignition.I disconnected the blk/tan wire to bypass computer still nothing. All grounds seem to be in place.I am stumped.
YesEven though you disconnected the EST wire do you still have the ICM connected?
YesEven though you disconnected the EST wire do you still have the ICM connected?
No the truck just quit while driving like i turned the switchDid you have spark before replacing everything?
Sent from my SM-G965U using Tapatalk
No , it just quit driving down the roadDid you have spark before replacing everything?
Sent from my SM-G965U using Tapatalk
Yes have good fuel pressure, yes witj a spark tester.Any codes stored? Did you check for spark with spark tester? Do you have fuel pressure, Is it with in specs?