Rick's Free Auto Repair Advice

Posts Tagged: rough idle causes

Top 10 rough idle causes

Rough idle causes What are most common rough idle causes? How to diagnose and fix rough idle Many things can cause a rough idle, from something as small as a disconnected vacuum hose to major engine wear. But I’m listing the most common rough idle causes here in the hope that you can track down the cause of your rough idle. Vacuum leak is tough idle cause #1 Because the engine runs as such a low RPM at idle, anything that upsets the air/fuel balance will cause a rough idle. … Read More


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