pia_vogel35
Skoda Octavia Diesel Engine Performance Problems
4 comment(s)
pia_vogel35 (Author)
Thanks for getting back to me so fast. When you say system reset, what did you actually do? Just unhook the battery, or did you do something with the computer?
marvinkrueger34
I unhooked the battery for maybe half an hour hoping it would work, but the problem came back after driving a short distance. It might help for a little bit, but if the main relay is actually bad, you probably need to fix or replace the ECU. I'd get it checked out at a workshop.
pia_vogel35 (Author)
You were spot on. The workshop confirmed it was the main relay messing with the ECU. They swapped it out, cleared the error codes, and the engine is running like new. The whole thing cost me 120€, so thanks for the help.
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marvinkrueger34
That sounds rough. I had ECU trouble with my old Renault Megane once. Reduced engine power is never a good sign. Have you tried just resetting the system to see if that clears the error for a bit?