Question about 2001 Mercedes-Benz E-Class

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E430 sport yuear 2001 check engine light suddenly came on with no apparent reduction in performance drove for almost 250 miles since the solid check engine light came on. what can be the reason. the car drives well and there is no drop in performance...

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  • gokuliyer1 Aug 31, 2010

    Another fact is the solid check engine light came on afterr i topped off with about 6 gallons of gas after which i drove 250 miles on the freeway continuosly. no problems with performance. i checked the gas tank knob now after driving 250 miles and retightened it but the check engine light did not go away. do i need to drive to take effect of the retightening...

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It sounds like a sensor fault, nothing major you need to get the car to a diagnoistic computer. hope this helps ( rate me thanks )

Posted on Aug 31, 2010

  • gokuliyer1 Aug 31, 2010

    thanks but Another fact that idid not mention is i filled gas after which the check engine light came on and then i drove about 250 miles. after that i did retighten the knob of the gas tank when the car was stationary, but still the check engine light is on. do i have to drive to see if the sensor reset..

    thanks in advance

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