My montero now has no spark after a alt and battery change. I have pulled the ecu and there is no visable damage or smell. I have checked the connections at the power transmiter and I have power to the fuel pump, I can hear it. The computer sees the injectors fuelinging and has a signal from the crank and cam sensors. I am at the end of the rope. Help if you can.

Regards
Richmond

 

hello! did you disconnect the battery when u changed the alternator?? if you didnt the battery wire could have touched something and sparked. i bet you poped one of the fuseible links in the fuse block in the engine compartment. i have seen that happen. if not, some wiring was damaged in that area. good luck!! greg...

 

what year? check coil or ignition module

but... fuses is where id start too.

 

Check all fuses