Question about 1999 Isuzu Trooper

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When cold in morning starts and runs fine once hot takes bout 25 seconds turning over before starts then has like a diesal knock done non return valve new fuel pipes filter put lift valve

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If its the 3.0 diesel you have a glowplug fault .
May just be the 40 amp one under the hood or one or more glowplugs have burnt out they can be tested in place by using the ohms on a multimeter - O reading duff plug - 0.8 - 1.0 ok.
Also check for 12v on the plugs as the relays can go too .

Posted on Sep 13, 2009

  • Simon
    Simon Sep 14, 2009

    Did I read that wrong or wot !

    Sorry its a hot start fault then its an oil as in wrong grade or rail oil pressure sensor fault ,

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Sounds like poss low fuel pressure, have that tested.

Posted on Sep 11, 2009

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