940 no start need help got fire to the plugs got fuel got weak injector pulse checked
#1
940 no start need help got fire to the plugs got fuel got weak injector pulse checked
Got spark fuel weak noid on injectors timing belt good compression 150psi 165psi 160psi 165psi so what could it be put new engine speed sensor new fuel pump in tank and fuel pump relay
Last edited by Ken Johnson; 06-26-2019 at 08:17 AM. Reason: 93 volvo 940 turbo
#2
is this a turbo? and what year? there's some variations on how the injectors are powered, but generally, the juice comes from the 'radio suppression relay' on the left fender, which is turned on with ignition, and if its a turbo, there's series 'load resistors' before the injectors... the ECU 'grounds' the injectors to fire them, one output, all 4 injectors fire at the same time, twice per ignition cycle.
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