Question about 2001 Mitsubishi Montero

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Occasional acceleration power cutting and vibrating engine.

Please help!
I imported the short wheel base Petrol GDi 3.5l V6 2001 model into Botswana. At the most unpredictable times - sometimes when I start the car, the engine vibrates the whole car and the engine amber logo ppears on the dashboard, then, on dirving off, the car will seem to be short of power and tends ****. This goes on for different lengths of time.
Sometimes I manage to temporrily fix the problem by repeatedly putting my foot all the way down the accelerator, which uses up a lot of petrol.
Different mechanics have tried changing items along the fuel line (fuel pumps etc) this has not helped.

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  • Anonymous Mar 25, 2014

    The car will switch on however it will not accelerate when i step on the accelerator.

  • Anonymous Mar 28, 2014

    RPM meter not moving, engine would not start.But starts if the ignation switch is kept on for sometime but can not drive the engine stalls and goes off. Please advice me what to do. Problem started after refueling from a pump.

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O2 sensor

Posted on Dec 16, 2008

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Hi Jim, The GDI is unfortunately a new design concept in automotive engineering. We have plenty problems with them in Zambia. they tend to carbonize very quickly and this gives rise to injection problems. The GDI injects a very small amount of fuel when compared to the indirect injection engine and this means the njectors become fouled very easily. The high pressure secondery module fitted to the top of the engine can give the problem you're facing as can a defective fuel filter and the high pressure pump in the tank. The oxygen sensor is definitely suspect as my friend pointed out. Make sure that the crankshaft and cam shaft sensors are operating correctly too. Regards John

Posted on Jan 10, 2012

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