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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 02-01-2004, 08:34 PM   #1
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Default running rough

I have a 1990 that does idle rough. after driving for awhile, the Bonniville will start sounding like it wants to die at idle (when i am at a stop light). I can also here it through the exhaust pipe. I have also notice that I have a slight coolant problem. I had to add more coolant in less than a week.My hubby believes it could be some kind of idling moduale (makes sense). I just want some opions. I do have 183,000 actual American miles. Thanks in advance.
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