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Gas system problems with VW CC

Hello everyone, I own a VW CC, model year 2012, with a gasoline engine and a mileage of 293,000 km. I have a KME NEVO Sky gas system installed in my vehicle. Whenever I switch on the gas system, the check engine light comes on. When I switch off the gas system, the error disappears. The error seems to be related to cylinder 4. Has anyone had similar experiences or can give me tips on solving the problem?

(Translated from German)

Summary of the thread

A VW CC owner is experiencing a check engine light issue when using a KME NEVO Sky gas system, specifically related to cylinder 4. Possible causes include a worn or faulty spark plug or ignition coil, or a clogged or malfunctioning gas injector for that cylinder. Suggested solutions involve inspecting and potentially replacing these components to resolve the issue.

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3 comment(s)

CarlyMechanic

Check the spark plug and ignition coil for cylinder 4, as they might be worn or faulty, especially under the different combustion conditions with the gas system. If they seem fine, consider inspecting the gas injector for cylinder 4 for any clogs or malfunctions. Let me know how it goes or if you have further questions!

CarlyMechanic

community_quotation:

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I had already changed the spark plugs and ignition coil. Actually, the gas inspector is also new.

Check the wiring and connections for cylinder 4's gas injector to ensure there are no loose or damaged wires. A poor connection could cause the issue when switching to gas. Let me know if this helps or if you have more questions!

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VW

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CC