QG18DE 1.8L Engine Almere, Sentra

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Company Nissan has developed and launched many good quality engines. Today we will analyze one of them and try to tell everything that we know about it!

The QG18DE engine has a displacement of 1.8 liters is a gasoline engine used on Nissan vehicles with high torque at low revs… This motor is considered one of the most economical. Ask why? That is why the fuel consumption is kept at about 7-7.5 liters per 100 km., And the main torque, which is about 97%, is produced at rather low engine speeds: 2400-4800 rpm. Quite good performance. Environmental cleanliness and low toxicity are ensured by the special design of the piston crown with a neutralizer surface of up to 50%.

The QG18DE engine rightly won the title of high-tech and reliable motor, and in 2000 won the Technology of the Year award. The Japanese have a lot to be proud of. Once again, ahead of the rest!

 

The QG18DE motor is equipped with electronic systemignition, variable valve timing (VVT-i technology) and swirler flaps. More perfect engine characteristics are provided by the variable valve timing system, it allows you to achieve high torque at low revs, and at high revs – it gives out high power!

This engine is so economical that it can be compared with a 1.6-liter engine, but at the same time it produces much more traction and lower toxicity of CO2 exhaust gases.

The QG18DE was one of the first European engines to be equipped with NDIS Static Ignition Distribution and NVCS Variable Valve Timing. The direct ignition system is more advanced and reliable than the previous generation fuel systems and provides a high level of fuel economy.

In turn, the NVCS system itself is designed to increase torque at low revs and improve the car’s throttle response.

The engine already has ignition coils, separate for each cylinder, which also causes low fuel consumption and less emission of exhaust gases into the air.

A good plus for the QG series is the presence of swirl flaps in the intake manifold. QG motors were one of the first to use this system, before that it was used on diesel engines.

Complete combustion of the fuel occurs thanks to the installed special valve in the manifold, which redistributes the air flow depending on the load and revolutions, and it creates a vortex in the combustion chamber. This control valve is closed during warm-up and engine operation at low speeds. Additional vortex is created during the operation of the dampers. fuel mixture, thereby improving the characteristics of fuel combustion in the cylinders. As a result, the content of nitrogen and carbon oxides in the exhaust gases is minimal.

The QG18DE engine is 100% compliant with the E4 environmental standards for the country of Germany and the environmental standards, which came into force in 2005 in Europe.

There are also nice “things” – the on-board complete diagnostics system is installed on the QG18DE! Any, even the smallest malfunction in the components of the exhaust system, is fixed on-board diagnostics and is automatically written into the memory of the engine management system. And then the Japanese took care of the end users, for which a special thank you!

Although, like everyone else, there are also disadvantages to this motor: this is the complexity of repairing the electronics itself, only a specialist with extensive practical experience in repairing QG series engines and appropriate instruments can understand it. But for this there are specialized Nissan auto repair centers.

A little technical characteristics Nissan QG18DE engine:

  • Working volume: 1.8 l (more precisely 1769 cm3);
  • Type: DOHC-4 with variable valve timing system (VVT-i technology);
  • Number of valves: 16, 4 for each cylinder;
  • Power: 126 hp (94 kW) at 6000 rpm
  • Torque: 174 Nm @ 2400 rpm
  • Speed ​​limiter (cut-off): 6500;
  • Fuel supply system: electronic injection;
  • Compression ratio: 9.5: 1.

 

Nissan QG18DE engine.

Company Nissan has developed and launched many good quality engines. Today we will analyze one of them and try to tell everything that we know about it!

The QG18DE engine has a displacement of 1.8 liters and is a petrol engine used on Nissan vehicles with high torque at low revs. This motor is considered one of the most economical. Ask why? That is why the fuel consumption is kept at the level of about 7-7.5 liters per 100 km., And the main torque, which is about 97%, is produced at rather low engine speeds: 2400-4800rpm. Quite good performance. Environmental cleanliness and low toxicity are ensured by the special design of the piston crown with a neutralizer surface of up to 50%.

The QG18DE engine rightly won the title of high-tech and reliable motor, and in 2000 won the Technology of the Year award. The Japanese have a lot to be proud of. Once again, ahead of the rest!

 

The QG18DE engine is equipped with an electronic ignition system, a variable valve timing system (VVT-i technology) and swirler flaps. Better engine characteristics are provided by the variable valve timing system, it allows you to achieve high torque at low revs, and at high revs – it gives out high power!

This engine is so economical that it can be compared with a 1.6-liter engine, but at the same time it produces much more traction and lower toxicity of CO2 exhaust gases.

The QG18DE was one of the first European engines to be equipped with NDIS Static Ignition Distribution and NVCS Variable Valve Timing. The direct ignition system is more advanced and reliable than the previous generation fuel systems and provides a high level of fuel economy.

In turn, the NVCS system itself is designed to increase torque at low revs and improve the car’s throttle response.

The engine already has ignition coils, separate for each cylinder, which also causes low fuel consumption and less emission of exhaust gases into the air.

A good plus for the QG series is the presence of swirl flaps in the intake manifold. QG motors were one of the first to use this system, before that it was used on diesel engines.

Complete combustion of the fuel occurs thanks to a special valve installed in the manifold, which redistributes the air flow depending on the load and revolutions, and it creates a vortex in the combustion chamber. This control valve is closed during warm-up and engine operation at low speeds. During the operation of the dampers, additional swirling of the fuel mixture is created, thereby improving the characteristics of fuel combustion in the cylinders. As a result, the content of nitrogen and carbon oxides in the exhaust gases is minimal.

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