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luisafrost97

Ka check engine light and stalling

My 2005 Ford Ka (gasoline engine) has a check engine light and stalls at idle. Diagnostics say it's a fuel composition error. Could a bad cable or plug be the problem? It has 169601 km. Anyone seen this?

Summary of the thread

A 2005 Ford Ka experienced a check engine light and stalling at idle, with diagnostics indicating a fuel composition error. The problem was suspected to be caused by a bad cable or plug. A similar issue in another vehicle was attributed to fuel contamination affecting the combustion chamber. Upon inspection, a workshop confirmed the problem was due to a faulty connection causing incorrect fuel mixture readings, along with fuel contamination.

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4 comment(s)

uwe_wolf1

Sounds familiar. My old Opel Corsa had similar symptoms: check engine light, rough idle, and fuel mixture error codes. Maybe fuel contamination?

luisafrost97 (community.author)

Fuel contamination? Could that cause these specific issues, especially when the error codes indicate the car misreads the fuel composition?

uwe_wolf1

It did in my case. The error codes were misleading. The issue was fuel contamination affecting the combustion chamber. Inspect it thoroughly, but a workshop check might be best.

luisafrost97 (community.author)

Thanks! The workshop confirmed a faulty connection causing an incorrect fuel mixture reading, plus fuel contamination. Repair cost was 95€. Your insight was invaluable!

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FORD

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KA