antonstorm1
Volvo S90 starting problem
Summary of the thread
A 2020 Volvo S90 diesel is experiencing starting issues with an 'Engine control malfunction' warning. The initial suspicion was loose battery cable connections. After checking for corrosion and confirming clean terminals, the problem was identified as bad cable connections, which were fixed at a cost of 155€.
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4 comment(s)
antonstorm1 (community.author)
Terminals look clean. By 'corrosion', do you mean white, powdery stuff, or something else?
LuxeRider
Yeah, the white stuff. But if they're clean, and the engine still won't turn over, it might be an ECU issue. I'd get it checked by a workshop.
antonstorm1 (community.author)
You were right. Bad cable connections. Cost me 155€ to fix. Thanks!
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VOLVO
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S90
LuxeRider
Had a similar issue with my 2016 Opel Astra. 'Check engine' light came on, and it wouldn't start. Did you check the battery terminals for corrosion?