Question about 2000 Ford Mustang

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2000 Ford Mustang- Just had new tires, brakes ,tuneup and gas cap. Service engine light keeps going on.. never has before. Any ideas?

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  • sjoachim Jul 30, 2010

    Orange Service engine soon light

  • sjoachim Jul 30, 2010

    Orange Service Engine soon light. My daughters car at college. I was wrong, not a new gas cap. Car running better after this work, except for light coming on. She also thinks gas mileage has decreased since tune up..

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This light has NOTHING TO DO WITH MAINTAINENCE, what it means is that a malfunction has occurred in the electronic fuel injection system or the engines electronic emission control system, there are well over 200 such faults that trun this light on,when the light is turned on a fault code is set in the memory of the computer that controls the system, to find out what this code may be you must have a shop test the system, this is called an OBD2 fault code test, you may also have it tested by any Kragen or Autozone Parts store for free in most area's. This willgive u a code but not any info oon how to fix the problem that turned on the check engine light, for that u need a qualified technician

Posted on Jul 30, 2010

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