Question about Chevrolet Impala

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My check engine light is on and had it checked and it gave a multiple miss fire on my 2005 chevy impala with a 3.4 liter v6. When you get to a certain speed the engine light flashes and then when you slow down the car dies and then when you try to start it again it will bad fire and after it bad fires it will start again after you turn the key to restart it. When the Car get to operating temp. it idles rough and wants to die. the error code is P300

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It sounds like a bad injector or a bad fuel pump .A p0300 is a random misfire.The best way to find out what the problem is take your car to some shop like Pep Boys or someplace equivalent to that a have them do a complete balance test of your injectors and have them test your cam position and crank sensors both of these sensors can be tested for proper operation.Ask them for a computer read out this will tell your mechanic exactly whats wrong.

Posted on Mar 14, 2011

Testimonial: "thanks that was very helpful the fuel pump i knew could be the problem but i didnot know about the injectors or the sensors thanks for the info. "

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704b0d7.gif

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