Question about 1997 Jeep Cherokee

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I have a 1997 Jeep Cherokee TD Limited. The engine pulls fine until it hits 2000rpm then ''restricts'' power. This happens through all gears. I believe this power loss is probably the ECU going into ''limp home'' mode. Is there any reason for this power loss you can advise me on. I have checked engine codes and I get 12,44 and 55 on engine check screen. I have also replaced the MAF sensor as old one was knackered. I have also checked the Intercooler pipes to ensure they are not collapsing therefore restricting air flow. Cheers Darrell

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  • DarrellP Jul 14, 2010

    Hi all



    I have now cured the power loss and the jeep pulls like a train. It was the No1 injector breaking down. I replaced it and all is ****** dorey again.

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I am having the same problem Darrel with my 98 jeep cheeroke sport, from the research i have done so far, It seems to be a problem with the fuel pump/filer, or thenFuel pump relay control circuit, as the problem seems to only occur every once in a while, i am assuming it is a loose connection in the relay, as jeeps tend to be abused, thourh off road conditions. hope this helps

Posted on May 14, 2010

  • DarrellP May 30, 2010

    Hi Rob
    Not any fuel pump/relay problems. All is ok there. I am now changing the No1 injector and if that doesn`t work I will be looking at the EGR sensor. Will keep you posted if any of the mentioned works

    Darrell

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