johanneskoch1
Skoda Karoq Engine Starting Problem
Summary of the thread
A 2022 Skoda Karoq with a gasoline engine experienced a starting problem, suspected to be an engine control malfunction or ECU failure. The issue was suggested to be possibly caused by loose battery connections, which can lead to electrical problems affecting the ECU. Upon inspection, it was confirmed that a loose battery cable connection was the cause, and cleaning and tightening the connections resolved the problem.
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4 comment(s)
johanneskoch1 (community.author)
Regarding the battery connections, what exactly should I be looking for? Is there a specific way to test them?
fionaschulz95
Check for corrosion, looseness, and proper tightening of the terminals. While a full diagnostic requires tools, a visual inspection for obvious issues is a good start. It's possible the ECU is fine, but a poor connection is preventing it from functioning. If the connections appear sound, it might be best to have it professionally diagnosed, they can pinpoint an ECU issue much better.
johanneskoch1 (community.author)
Thank you for your insights. It turned out to be a loose battery cable connection, as you suspected. Cleaning and tightening the connections resolved the issue. Total cost was 155€.
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SKODA
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KAROQ
fionaschulz95
A 2022 Karoq, engine trouble already? It could be several things. Have you checked the battery connections? A loose connection can cause all sorts of electrical gremlins, including the symptoms you describe. Intermittent power can definitely trigger an ECU issue.