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    Holden Rodeo 1999 Problems

    Are you having problems with your 1999 Holden Rodeo? Let our team of motoring experts keep you up to date with all of the latest 1999 Holden Rodeo issues & faults. We have gathered all of the most frequently asked questions and problems relating to the 1999 Holden Rodeo in one spot to help you decide if it's a smart buy.

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    Why does my 1999 Holden Rodeo engine gush oil?
    Answered by David Morley · 30 March 2025

    Based on probability, you either have a faulty oil filter which is not sealing properly, or there’s a crack or some other flaw in the boss (fitting) on the side of the engine that accepts the filter. Chances are the oil appears when the engine is cold and oil pressure is highest. The oil pressure (which all engines need to survive) is pushing the oil out through the weakest part of this assembly.

    It’s not unknown for oil filters (especially cheaper brands) to have basic manufacturing flaws that allow them to leak, so that’s where I’d start my investigation.

    Holden Rodeo 1999: Poor LPG economy
    Answered by Graham Smith · 26 January 2012

    Our LPG experts tell us there are a couple of issues that could create such a problem, but the most likely is that one of the control modules in the gas system has been damaged by water intrusion. Take it to an installer experienced with your brand of system.

    Holden Rodeo 1999: V6 petrol consumption
    Answered by Carsguide.com.au · 24 November 2011

    The Rodeo has a known issue that can cause the petrol consumption while operating on LPG, as you describe. You need to take it to an LPG mechanic, preferably one who knows the particular system fitted to your vehicle who should be able to fix it.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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