Our planned Anzac Day trip to Lake Waikaremoana was curtailed just an hour into it.
Whilst going up a reasonably steep hill, the truck suddenly lost power. It would idle fine but as soon as a little accelerator was added it died. If I stepped on the accelerator hard it would roar into life.
I am mechanically challenged, but it seemed as if it were a carburettor problem and it felt as though the carby had two types of jets, one for low revs and one for high revs, the low revs causing the problem.
I managed to nurse it home and had a look through the factory service manual to find this motor has a carburettor with low and high flow jets, a primary and secondary for each. A trip to town to get some aerosol carby cleaner and the problem was sorted....sort of. It still run rough and hesitated on light throttle.
I asked Ongaonga Motors to clean and check the carby, which they did quickly and expertly and she runs just fine now. Marcus (the mechanic) said the carby 'was full of water and sh*t'. Hmmm this would explain the problems.
Wikipedia has this information on carburettors
http://en.wikipedia.org/wiki/Carburetor
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