D5 (2005 on) - No singal to injectors - Volvo Owners Club Forum

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D5 (2005 on) No singal to injectors

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Jun 6th, 2021, 19:18	#1
venomtail Junior Member Last Online: Apr 12th, 2024 23:30 Join Date: Oct 2019 Location: Lincoln	No singal to injectors Can't start the engine on my S80 after putting the injectors back in, as well as the cover to get access to the swirl flaps. At first I thought I might need to bleed the engine of air in the fuel systems, prime it but checking some more there seems to be nothing coming the injectors. Nothing coming from the noid lights confirm this. Anyone know what the most likely issue is and where to look? Looking around most people say either ECU or wiring. Is there a best way to test myself if these are the ones not working? Fixes even if one of these are faulty? Could battery be too low so the signal is prevented from being passed? What's an ECU replacement like? Is there some sort of reprogramming needed and if yes, why?

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