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2004 Mercedes-Benz C240

Question: Replaced camshaft position sensor and engine lite keeps coming on reading misfir

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Paul c, Bristol, RI, January 17, 2012, 16:10
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 Rookie

Engine lite keeps coming on saying cylinder misfire

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  • Answer #1

    torque wrench from Stewart's Auto Repair LLC, January 17, 2012, 18:43
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     Master

    Did your code give a cylinder number? or what is the code number you are getting? camshaft sensor would cause random misfires to all cylinders no just one. check the ignition coil and plug for the cylinder that is misfiring, could also be fuel injector or low compression.

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  • Answer #2

    gmc4me January 17, 2012, 19:37
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     Journeyman

    Does the misfire occure now that you replaced the part? You may have possibly received a bad Camshaft Position Sensor. This is not common at the dealer but is much more common when purchasing parts from aftermarket companies.

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    Paul c, January 18, 2012, 13:58
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     Rookie

    Misfire seems to be all cylinders and we bought the camshaft position sensor from the dealer wondering if you have to program the new sensor into the car after a new one is installed?

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