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Glow plugs
Glow plugs are used for the initial heating of the fuel mixture. Glow plugs can not be repaired, so in case of failure, replace the candles. The efficiency of the glow plugs should be checked in the workshop. If, after twisting glow you will see that the top of it burned, it indicates poor performance jets. Poorly regulated fuel injection timing also has a negative impact on the service life of the glow plug. When buying glow always specify the type of engine, in this case ?�1Z?�, and year of the car. Faulty glow can be seen usually only in a cold engine. Fuel into the cylinder with the normal operating glow plugs will be ignited before the fuel into the cylinders with defective glow plugs. Accordingly Symptom glow will run rough engine and a gray exhaust smoke.
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