In the Fall my car was hesitating when going up hill. In Feb. I had time so I had the plugs and fuel filter replaced. The hesitating stopedRecently I had a friend put these pills in my tank in an effort to get better milage. It has also been really wet and the humidity very high. However now my car hesitates almost all the time, the engine light comes on and flashes. Sometimes it goes out and sometime it stays on. What can I do?
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Wednesday, June 28th, 2006 AT 3:09 PM