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RSMagnuM

07-11-2018 03:18 AM

525 EFI with no spark

Hi ! I have a 525 efi that has lost it spark on no 8 cylinder ?

Tryed to change plugs 2 times, plug cabel and coils on that side (4+4).

Looks like just a little bit of fuel is coming but someone told me that it shuts off fuel of there is no spark ?

Good compression aswell..

Can it be a ground problem ? Or any other ideas please ?

//Carl

endeavor1

07-11-2018 11:04 PM

I had this happen recently. Double check that you have no spark as it could be a dead injector. You can do a cylinder drop test with a scan tool to shut off the injector. If not, I’d say a coil has failed

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