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|M-Series (M1, M3, M5, M6) General M-Series Discussion - If it does not fit into a more specific M Category above, please place it in here. In addition, previously archived M-Series discussion is located in this section.|
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I have a Bmw E30, that i have fitted a bmw m5, 3,8 (s38) engine in. The problem is that when it runs without any throttle at all, it does run up and down, and run unevenly.
We tried to read out error codes and got a
100: 100: Output Stage, Group 1
When i google it , i found a similiar code, but not the same number, we used a universial tool for reading error codes, perhaps this is the reason?
Anyway this was the info i found:
1218 Output Stage, Group 1 This code is stored if there is a short to B+ or Ground at the Output Amplifier Stage (Bank 1). Generally this code occurs with other defects. Causes may be a faulty Idle Speed Actuator, Injector Valves, Ignition Coil on Plug, Oxygen Sensor Heating Relay, Fuel Evaporation, Control Valve, Malfunction Indicator Lamp (MIL) and/or EKP Relay. Delete the code after examining for other faults. If the code recurs, delete code, then disconnect the DME for a minimum of 5 minutes to initiate a reset. Rerun car. If code recurs and no other defects are found the DME is most likely damaged and must be replaced. If the code does not recur and the engine runs properly, ignore.
If i read this correctly it can be a lot of things that is wrong? So the question is, what should i try first, and last? And any tips on how to get it to work correctly ? If i am to change all theese parts, it could be really expensive.
I also found 1 more error code, does not know what this one means?
26: SUPPLY VOLTAGE BATT. +
I anybody got a soulition or some tips i would be really greatfull.
A place between 94 and 95, not really sure, but its there someplace, its from an BMw E34 M5. Hopes this helps.
I am not sure about what year the engine is from, all i know is that is from a E34 M5, its my friends car, and i am trying to help him out. It was bought used, so we are not sure if everything was working perfect. He has had another m5 engine before in another e30, that was running perfect, so we know that there is some problem with this, it just does not run perfect on low idle, just up and downs unevenly, and when he tries to hit the pedal to the medal, its not as good as it should be.
The scanners name it think stands on the picture i know attachted.
The engine is european.
The problem seems to come when it has runned for a little bit, and the tps have been checked, last time we checked it was ok.
ICV ? I am not sure what this is?
Did the error codes i posted in the picture give you any hints?
So you are saying check all cables from DME, and see if anything is bad?
DME is the brain i guess?
Also check the things you mentioned when talking about the idle?
The problem is also there when running just to let you know, it does not run clean, it also have some problems when he is driving in it, it does not run as good as i should, if you understand, i don`t know the correct word for this in english, so i hope you understand.
Could the problem be related to one of the 6 coils or injectors? Or could we rule them out?
Thanks for the great help so far.
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