Question about 1995 Mercedes-Benz E-Class

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Car runs rough and will not idle at times

Check engine is on. I have cleared the codes but light continues to come on. The person I purchased it from said his kidds had been running regular unleaded in it.

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Hello, Regular gas will not cause it to run rough. You need to follow the code to find out what is causing this problem.

If you find this information to be correct would you please enter a "fixya" rating.
Thanks, Gator241

Posted on Feb 20, 2009

  • Wally Wicker Feb 20, 2009

    Hello again, I think that the 1995 model year was when Mercedes start having wiring harness failures. Take the cover off the center of the valve cover and check the wiring harness by taking a razor blade and splitting the engine harness near the coil and see if the wire insulation is falling apart. If you see this, you will need to replace the engine harness.
    CYA, Gator241

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