I have a 2001 Volvo V40. It runs very rough. Tested injector pulse with a noid light while running. 2 of the injectors are not getting a signal. What is most likely the problem?


Asked by Oct 01, 2014 at 10:10 PM about the 2001 Volvo V40 SE Turbo Wagon

Question type: Maintenance & Repair

Noid light flashes on 2 of the 4 injector pigtails while the engine is running. How come 2
have no signal?

1 Answer


You should check the main power distribution box for a blown injector fuse, sometimes they split the power circuits, if the mains check good then you need to check the power and trigger circuits on the ones that are not operating from the ECM.

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