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.
No spark 5.7L
- Thread starter Lloyd Delmont
- Start date
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RawbDidIt
I'm Awesome
Did you have spark before replacing everything?
Sent from my SM-G965U using Tapatalk
Even though you disconnected the EST wire do you still have the ICM connected?
evilunclegrimace
Does not always play well with others
Any codes stored? Did you check for spark with spark tester? Do you have fuel pressure, Is it with in specs?
Lloyd Delmont
Newbie
Lloyd Delmont
Newbie
Lloyd Delmont
Newbie
No the truck just quit while driving like i turned the switch
Lloyd Delmont
Newbie
I also checked the ignition switch. The rotor button is turning while trying to start.
Lloyd Delmont
Newbie
No , it just quit driving down the road
Lloyd Delmont
Newbie
Yes have good fuel pressure, yes witj a spark tester.
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