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How Do I Troubleshoot a Rough Idle in My Vauxhall Zafira Life?

I've noticed that my Vauxhall Zafira Life's engine has been idling roughly lately. It starts up fine, but once I'm at a stop, the revs drop and the car shakes a bit. I've changed the spark plugs and air filter, but the issue persists. Is there anything else I can check or do?

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Answers (3)

J

Hi Alexandra, a rough idle can be caused by a number of things. One possibility is a dirty or faulty mass airflow sensor. I'd recommend cleaning or replacing it. Another thing to check is the fuel injectors, as they can become clogged and affect engine performance.

E

Hi Alexandra, have you checked the engine's timing? If it's off, it could cause a rough idle. Also, make sure all the vacuum lines are connected properly and not damaged.

M

Hi Alexandra, I had a similar issue with my Vauxhall Zafira Life and it turned out to be a problem with the idle control valve. It was clogged with carbon deposits and needed to be replaced. You might want to look into that as well.