TSI flowmeter | 2010 Volkswagen Lavida 1.4t automatic transmission common problem

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1. Please advise on the differences between the first generation EA888 and the second generation.

1. The direct injection system is different.

1. The first generation: The turbocharger and exhaust pipe of the engine adopt an integrated design, which can reduce the volume and weight of excess parts to a certain extent, making this system relatively stable and reliable.

2、 The second generation adopts variable intake valve timing technology, which can effectively improve intake and exhaust efficiency. The variable valve timing is mainly achieved through a blade type hydraulic regulator located on the intake camshaft.

Second, the old turbocharging system is different.

1. The first generation mainly uses a cooling circulation pump to transport the coolant from the auxiliary cooler to the charge air cooler and exhaust gas turbocharger.

2、 The second generation: The blade type regulator consists of an outer shell, an internal blade rotor, and a locking pin located inside the blade rotor. The outer shell is fixed to the external timing gear and driven by the crankshaft. The internal blades are directly fixed to the intake camshaft and rotate together with it.

3. Different Characteristics Source Sails

1. First Generation: Includes two circulation channels, one through a turbocharger to cool the turbocharging system;

2、 The second generation: mainly controls the hydraulic oil in the corresponding pipeline through the camshaft regulating valve to drive the blades in the regulator, and then drives the camshaft to rotate, achieving the advance or delay of valve opening an

2. Common problems of the 2010 Volkswagen Lavida 1.4t automatic transmission

The common problems of the 2010 Volkswagen Lavida 1.4t automatic transmission mainly include engine shaking, DSG transmission failure, engine oil leakage and burning, and minor electronic subsystem issues. 1. Engine shaking problem: Engine shaking may be caused by ignition system faults, such as aging spark plugs, damaged high-voltage wires, etc., leading to poor ignition and unstable engine operation. Fuel system malfunctions, such as clogged fuel injectors or abnormal fuel pump operation, may also cause poor fuel supply to the engine, thereby affecting engine performance and causing engine shaking. Excessive carbon buildup in the air flow meter, throttle valve, and intake duct, as well as worn or loose engine claw pads, can also cause engine shaking.

2. DSG transmission failure: The 2010 Volkswagen Lavida 1.4TSI model is equipped with a faulty DSG transmission, which may be manifested as an increase in engine speed after stepping on the accelerator, accompanied by abnormal noise and burnt smell.

3. Engine oil leakage and oil burning. The 1.4T model is particularly prone to problems such as valve cover gasket leakage and crankshaft rear oil seal leakage, which can lead to oil loss and affect engine lubrication and cooling efficiency.

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