Engine Overview and Common Failures
The dry weight of the G4ED engine according to the catalog is 115.4 kg. The engine number G4ED is located on the right, above the gearbox. Floating speeds. This engine is reliable, and the main complaints on the forum are related to its unstable operation due to clogged injectors, throttle body contamination, or idle control valve. Often, the culprit is the ignition system components: coils and their wires. Timing belt breakage. According to the official manual, the timing belt is recommended to be replaced only every 90,000 km, but there are many cases of its breakage at a lower mileage, and usually, the valves here are bent. And don't forget to replace the chain between the camshafts after every two belt replacements. Oil consumption. A small oil consumption may occur in this engine already at 150,000 km mileage, and the usual cause is wear of the oil seal caps, and their replacement always helps. But if the engine consumes more than 1 liter per 1000 km, most likely the rings have already seated. Other shortcomings. The weak points of the power unit also include constantly leaking gaskets and seals, short-lived supports and hydraulic compensators, sometimes they knock heavily already at 100,000 km. The search for the cause of poor starting should start with the fuel filter or the fuel pump.