volts drop to around 10 v as engine stops

[jogger311cdi]

showing in injector circuit low on all 4 pots and group a volts open .sprinter 2.2 311cdi

 

[brandwooddixon]

I don't understand.
Are you saying that the general voltage across the battery drops to 10V when the engine isn't running or that the voltage to the injectors drops to 10V?
And what is "...group a volts open..."?

 

[jogger311cdi]

hi van starts runs 2or 3 seconds or sometimes 5mins max then stop, not lumpy, no bad sound mechanical, fuel pump sounds sweet.
sitting in cab with volt meter on bat when running 14v at stop 12.5v as it stops 10v codes are
p2146 fuel injection group a volts low
p0261 1 injection circuit low
p0264 2 """
p0267 3 """
p0270 4"""
hobnobs and beer for the god that can help me with this one