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A6461538789 CR 3.41 2.2 CDI ENGINE ECU PROBLEM
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19-11-2022, 22:23 PM,
Post: #1
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A6461538789 CR 3.41 2.2 CDI ENGINE ECU PROBLEM
Hi there guys, i got this engine ecu from a w211 a while ago.I replaced it with a good one on the car and two montha ago decided to give it to a friend to reball the cpu.
The donor car would not recognize the engine ECU, fans at full speed. Reballed it, now it is recognized with no problem, but it only cranks because of faults on Y74 and Y94. Does somebody know which components on the ECU control these 2? I get shortcircuit to ground and maybe something went loose during reballing, i soldered two components myself that got separated. Any ideas? FAULTS : Check the component Y94 Quantity control valve Shortcircuit to ground Check the component Y74 Pressure control valve Shortcircuit to ground |
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![[+]](https://cartechnology.co.uk/images/CarTechnologyTheCure/collapse_collapsed.png)
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20-11-2022, 04:30 AM,
Post: #2
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RE: A6461538789 CR 3.41 2.2 CDI ENGINE ECU PROBLEM
Hi
The ground shortcut problem located and solved for sure? I had same problem once on similar e class, and the whole ecu burned out by shortcut. |
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