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Posted

Hi all,

I drive a 2013 Hilux with the 3.0 litre turbo diesel, with about 113K kilometres on the odometer.  The vehicle is well maintained.

Recently it has been having an intermittent problem with momentary power loss.  The vehicle will be coasting along just fine, when suddenly it is as if the motor has conked out (which it probably has).  No coughing, no rough running... just total and immediate loss of power.  No warning lights come on when this happens.  Then, as suddenly as the power went, the motor picks up again 5 or so seconds later, and we continue on our merry way.  It seems to happen 5-10 minutes after starting the vehicle, and once it's happened it doesn't happen again until the next time the vehicle is started -- usually.

So I'm thinking it has to be some sort of fuelling problem.

1.  I have checked the fuel filter in the engine bay for water, but it is as clean as a whistle -- and besides, the warning light for the filter doesn't come on.

2.  Is it a problem with the injectors?  To my knowledge they have never been changed.  I ran some injector cleaner stuff through the tank but this has not helped with the problem.

3.  Could it be a fuel pump problem?  Again, there are no warning lights, but who knows...

4.  Could it be that the fuel system is sucking air in from somewhere, and it is the air pocket going through the injectors which causes the momentary power loss?  I cannot find any evidence of diesel leaks, and there is no smell of diesel anywhere in the engine bay.

So I'm stumped.  I could take it to a mechanic BUT I am here in Peru, S.America and (i) there is the language barrier, and (ii) mechanics around here are pretty hit and miss (probably more miss than hit).  So I would rather try and sort this out myself.

All suggestions welcome!

Thanks, Mike F.

  • 2 weeks later...
Posted

Might start with the SCV valve

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