Muncher Posted June 27, 2022 Share Posted June 27, 2022 Posting about this one more time for help. Truck was running and then randomly lost fuel and spark. Tried the icm tried a new cps. Just took apart My ecu to look in it but no obvious signs of burns. Could I have another bad engine harness? I really don't know what to do. Link to comment Share on other sites More sharing options...
JMO413 Posted June 27, 2022 Share Posted June 27, 2022 Have you tested the CPS? Link to comment Share on other sites More sharing options...
Muncher Posted June 27, 2022 Author Share Posted June 27, 2022 10 minutes ago, JMO413 said: Have you tested the CPS? Yes it is good and I got a new one tested it to be sure and it's still good. Link to comment Share on other sites More sharing options...
zomeizter Posted June 27, 2022 Share Posted June 27, 2022 Get you a schematic for power and ground distribution and check all connections for good contact...a test light makes verification easy. Link to comment Share on other sites More sharing options...
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