Dammerung Posted August 24, 2019 Share Posted August 24, 2019 I have an 88 comanche. The truck is turning over, but it’s not firing. Any help? Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
jjpeters4 Posted August 24, 2019 Share Posted August 24, 2019 I have an 88 comanche. The truck is turning over, but it’s not firing. Any help? Sent from my iPhone using Tapatalk Check the obvious first, pull a plug and check for spark first, if you have spark now check fuel, you should be able to clearly hear the pump kick on once you turn the key over in the on positionSent from my SM-G935T using Tapatalk Link to comment Share on other sites More sharing options...
eaglescout526 Posted August 24, 2019 Share Posted August 24, 2019 Check the crankshaft sensor on top of the bell house. Link to comment Share on other sites More sharing options...
Dammerung Posted August 24, 2019 Author Share Posted August 24, 2019 I’ll try both. I replaced the battery cables and battery because the battery was basically junk and the cables had big chunks of insulation taken out. Previous owner put grease on. Wonder if I sparked them?Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Dammerung Posted August 24, 2019 Author Share Posted August 24, 2019 Check the obvious first, pull a plug and check for spark first, if you have spark now check fuel, you should be able to clearly hear the pump kick on once you turn the key over in the on positionSent from my SM-G935T using Tapatalk Is the pump something you’ll continually hear? Or is it a click?Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
jjpeters4 Posted August 24, 2019 Share Posted August 24, 2019 Is the pump something you’ll continually hear? Or is it a click?Sent from my iPhone using TapatalkAs soon as you turn the key to the on position you'll hear an obvious hum for about 2 or 3 secondsSent from my SM-G935T using Tapatalk Link to comment Share on other sites More sharing options...
Dammerung Posted August 24, 2019 Author Share Posted August 24, 2019 Fixed the issue, but now the truck slowly dies at idle. Any ideas?Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
JMO413 Posted August 25, 2019 Share Posted August 25, 2019 Cruisers tips is a great place to start. Link to comment Share on other sites More sharing options...
jjpeters4 Posted August 25, 2019 Share Posted August 25, 2019 Fixed the issue, but now the truck slowly dies at idle. Any ideas?Sent from my iPhone using Tapatalk So what was it?Sent from my SM-G935T using Tapatalk Link to comment Share on other sites More sharing options...
Dammerung Posted August 25, 2019 Author Share Posted August 25, 2019 So what was it?Sent from my SM-G935T using Tapatalk Blew a fuse and replaced it, but it wasn’t fully making a connectionSent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
cruiser54 Posted August 26, 2019 Share Posted August 26, 2019 Go to www.cruiser54.com and complete Tips 1 through 5. Link to comment Share on other sites More sharing options...
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