Question about 2000 Jeep Cherokee

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Jeep cherokee no power

12months ago had trouble starting it was just bellowing black smoke from exhaust, to-day engine management light came on loss of power and the black smoke again the part they replaced last time was P0185

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  • fronzoni May 18, 2009

    Hi Teahou thanks for your reply, they stated the code p0185 and listed the part as the turbo boost sensor put foot to floor of accelerator and it blows really bad black smoke when driving it makes a sucking sound tho its sucking in air the revs keep going up and a distinct lack of power its a jeep chrokee crd 2.8 cheers

  • Richard Scordino May 11, 2010

    po185 is a fault code, not a part. My only code book on that car dosen't list it...but it sounds like a possible fuel pressure regulator problem. Regulator is on the top of the fuel pump. Do not replace it though 'till you verify that there is a pressure problem (with gauge)

  • teahou May 11, 2010

    OK. Let me know what the new code is when you get it checked.

  • teahou May 11, 2010

    black smoke indicates a very rich condition (way too much gas). Common cause is the coolant temp sensor for the computer. You would get a code P0185, which is an O2 sensor code, because the oxygen sensors would be damaged by the excess fuel but they wouldn't cause the excess fuel condition.
    Take it to a parts store that offers free code retrieval and let me know what the code is.


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Hi i took the jeep into the dealers they said the fault was a intercooler hose, have to wait for part could this have caused all that smoke vehicle still there so no diagnostic sheet yet to see the code

Posted on May 19, 2009

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