Question about 1996 Mazda Protege

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Poor acceleration At first the car had trouble accelerating from 0 to 40 mph. Now it struggles no matter what speed I'm driving. It feels like the car is not getting the right amount of fuel. My mechanic ran a diganostic and all sensors are working properly. The check engine light is not on.Also I have replaced the spark plugs, plug wires, fuel filter and the fuel pump. None of these have helped at all.

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Could it be a bad exhaust? Not enough pressure will leave you with less horsepower any time you hit the gas. Just a thought.

Posted on Dec 06, 2009

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