2001 Mazda Protege Multiple Cylinder Misfire

2001 MAZDA PROTEGE
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SAMMYB078
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Engine Performance problem
2001 Mazda Protege 4 cyl Two Wheel Drive Automatic

My car was placed on an analyzer and the reading came back as a multiple cylinder misfire.

What could cause this problem? And how would I fix this. Could it be the coil, egr, MAS.

When the car is idling the motor is rough when you give it some gas she smooths out.
Nov 26, 2009 at 1:51 PM
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LEGITIMATE007
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a misfire can be cause by many things, a struck egr, a vacuum leak , intake manifold leak, bad plugs ,wires, injectors. so you will need to check each and every one of these, also, yes, the mass airflow sensor, dirty airfilter,and a plugged catalytic converter
Nov 26, 2009 at 2:07 PM
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SAMMYB078
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Thank you very much. I will check everything and hopefully one of those is the problem!!!!
Nov 26, 2009 at 6:40 PM
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LEGITIMATE007
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very good
Nov 26, 2009 at 8:41 PM