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Hello, I am new to the forum. Have a 99 Blazer which is having problems accelerating...while at the same time the tach guage does not increase as it ought. There is great fuel flow and pressure. Thinking maybe coil or cap. Any suggestions?
 

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Welcome to the club. Tell us more about your Blazer, what motor, trans, 2wd or 4x4 and a little more detail about accelerating. Does it happen when hot or cold, from a dead stop or while driving??
 
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