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Discussion Starter #1
I have a 2005 Mazda 3, 184,000 miles it’s idling rough. I’ve had the O2 sensors replaced, and I have found that if I have the A/C on full blast it doesn’t bog down and die?? But the minute I shut the A/C off it idles way low and sometimes dies.
 

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Discussion Starter #3
Also thinking it might be a fuel or fuel pump issue after I fill up with gas if it’s under a quarter of a tank it’s hard to start. Car runs fine when I am driving only idles rough when I stop someone Also suggested the mass airflow sensor or the EGR valve?
 
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