1999 Buick Century Q&A
1999 Buick Century Question: Rough Idle when I start the car
What causes a rough idle for a minute or less when you start the car? My mechanic replaced the spark plugs, spark plug wires and one coil pack. This did not help. My mechanic cleaned the injectors and this did not fix it. The check engine light has come on three different times when it idles rough long enough. My 1999 Buick Century has 98,000 miles. - gerald.h
sounds like a leaking injector that puts fuel in the cylinder and has to burn it out when you start to clear it out. have him check the fuel pressure running and off to see if it bleeds down overnight. Roy - mastertech6371
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I started getting intermittent coding for misfires on cyc 1. I had all the spark plugs (AC/Delco), spark plug wires (AC/Delco)replaced and I've also replaced the coil pack for cyc. 1 & 4. This di...
It stalls backing up. And also idles very roughly...like it could stall going forward at any time. If I press on the gas, it won't stall (but sometimes at lights...I get very anxious because I ca...