Question about 2003 GMC Yukon

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No acceleration i have no acceleration in my car .it is 2003 gmc yukon 4x4.beside that the check engine light is on and i had checked it by the computer and it says the oxygen sensors ,so what should i do please help me with that ,thank you

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  • maher shaer Jun 07, 2008

    i have no acceleration in my car .it is 2003 gmc yukon 4x4.beside that the check engine light is on and i had checked it by the computer and it says the oxygen sensors ,so what should i do please help me with that ,thank you

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You have to replace the oxygen sensors, the engine computer adjusts the fuel/air mixture by reading the sensors...right now your engine is probably running very rich, which wastes a lot of fuel, and can also cause premature oil breakdown. O2 sensors usually require a special wrench to remove, so try a reliable local mechanic...

Posted on Jun 07, 2008

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