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Discussion Starter #1
I have a 02 gt and every time I hit a stop light the car starts having power surges and the Rpms go up and down fast then it wants to stall/die. i changed the idle control valve and it did help for like 2 weeks and then it went back to normal. Check engine is on but it's cause I have open headers, it also said inproper fuel/air mix ratio, any suggestions? Oh and idk why but I've been having horrible fuel economy!
 

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If you have open headers, that's your problem. Your car needs the 02 sensors that plug into your midpipe in order to regulate the air/fuel ratio. That's also what is giving you the check engine light most likely.
 
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