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Need help reading the ckp and cmp signals

Thach2264

New member
Hello-

Can someone help read the ckp and cmp signals on my motor for me. Thanks

2015 DF40a Getting 2-4 cmp code when key on, will cranks for about 2s but won’t start. Have check and confirm cmp and ckp are good = resistant and voltage. Have also check wires and even swap wire harness and ecm.

Is that how my ckp signla suppose to look like? Loo very noisy, idk.
 

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