Fuel Injectors?

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JLT1787

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Jan 3, 2005
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La Crosse, Wi
My 93 MTX has an idleing problem like most other 93's but i have a feeling that the fuel injectors are wore down and when i shut the car off fuel drips into the cylinders there for flooding it so i need to push the gas pedal to the floor in order to get enough air, and when at idle sometimes the rpm will bounce up and down, and there for i need to tap the gas pedal to keep air in there, i tested the idle possition sensor but thats good, cleaned the butter fly, removed the cats thinking that maybe that was the problem(holding back exaust)what the **** could the problem be?
 

rangerj

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Have you pulled the spark plugs to see if they are covered with black carbon? This would tell you if you are running rich. A good muffler shop can also test the exaust for blockage and may also have the equipment to determine the exaust mixture, i.e. rich or lean. The O-2 sensors should also give you information on the fuel mixture, have you checked for fault codes?
 

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