Note
The reason for the incorrect fuel injection advance angle is most often its incorrect installation or loosening of the injection pump mounting bolts.
The formation of paraffin crystals in the fuel at low ambient temperatures, resulting in a reduction or complete cessation of fuel supply, usually occurs in the fuel filter. Most often, this malfunction is quickly eliminated by heating the filter.
The exhaust of an engine warmed up to normal temperature should be practically colorless.
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